Last updated · 236 releases tracked since October 2023
OpenAI and ChatGPT updates, release notes and changelog entries covering ChatGPT, Codex and the OpenAI API. Entries come from the OpenAI API changelog, the Codex changelog, help center release notes and official posts, and each one is dated and linked to its source.
OpenAI released HIPAA compliance support for API organizations, simplified API usage tiers to Build, Launch, and Grow, launched the Decisions API beta with gpt-6-luna, and introduced Ultrafast mode for GPT-6.1 Sol.
Summary of October 2026, generated from the releases listed below.
This month
11
-43 vs last month
Last 12 months
217
Busiest: September 2026
Most shipped
Developer Tools
73 releases
Newest first. Each entry links to the official page it came from.
Added Ultrafast mode for GPT-6.1 Sol in the Responses API. Use gpt-6.1-sol with service_tier: "ultrafast" to reduce the time between generated output tokens. It is available to all API users, subject to rate limits, with global processing and US and EU data residency. See Ultraf…
Updated the chat-latest snapshot, which points to the latest model available in ChatGPT for Plus, Pro, Business and Enterprise users. We recommend leveraging the GPT-6 model family for production API usage, but feel free to use this model to test the latest improvements for chat…
Updated the chat-latest snapshot, which points to the latest model available in ChatGPT for Plus, Pro, Business and Enterprise users. We recommend leveraging the GPT-6 model family for production API usage, but feel free to use this model to test the latest improvements for chat…
Simplified API usage tiers from five to three: Build, Launch, and Grow. Organizations automatically upgrade as total credit purchases reach tier minimums. See usage tiers for monthly usage limits and how to view rate limits for each model.
Simplified API usage tiers from five to three: Build, Launch, and Grow. Organizations automatically upgrade as total credit purchases reach tier minimums.
Released the Decisions API in beta with gpt-6-luna. Turn text and images into typed answers 10x faster than the Responses API.
Released the Decisions API in beta with gpt-6-luna. Turn text and images into typed answers 10x faster than the Responses API.
Added an in-product flow for HIPAA compliance support in API Organization settings > General. Admins of eligible organizations can now accept the standard Business Associate Agreement (BAA) and enable HIPAA compliance support for their organization. See the Help Center for eligi…
Added HIPAA compliance support in API Organization settings. Admins can accept BAA and enable HIPAA compliance for their organization.
Added an in-product flow for HIPAA compliance support in API Organization settings > General. Admins of eligible organizations can now accept the standard Business Associate Agreement (BAA) and enable HIPAA compliance support for their organization.
New features including keyboard-accessible 'Show more' action for browsing older tasks, middle-click paste in Linux terminals, projectless session support, and Guardian review capabilities.
Added Ultrafast mode for GPT-6 Astra in the Responses API. Use gpt-6-astra with service_tier: "ultrafast" to reduce the time between generated output tokens. It is available to API customers, subject to rate limits, with global processing and US data residency. EU and other regi…
Released GPT-6.1 Sol (gpt-6.1-sol) for complex coding and professional work at a lower cost than GPT-6 Astra. Standard pricing per 1M tokens for prompts with up to 272K input tokens is $2 input, $0.10 cached input, $2.50 cache write, and $10 output. GPT-6.1 Sol also supports Mul…
Released GPT-6.1 Sol (gpt-6.1-sol) for complex coding and professional work at a lower cost than GPT-6 Astra. Standard pricing per 1M tokens for prompts with up to 272K input tokens is $2 input, $0.10 cached input, $2.50 cache write, and $10 output. GPT-6.1 Sol also supports Mul…
GPT-6.1 Sol offers near-Astra performance for complex work at a lower cost than Astra. Use gpt-6.1-sol; it is also the default model in the bundled catalog and Amazon Bedrock catalogs as of Codex CLI 0.159.1. Availability depends on plan, client and workspace settings.
Released GPT-6.1 Sol (gpt-6.1-sol) for complex coding and professional work at a lower cost than GPT-6 Astra. Standard pricing per 1M tokens for prompts with up to 272K input tokens is $2 input, $0.10 cached input, $2.50 cache write, and $10 output. GPT-6.1 Sol also supports Mul…
Added Ultrafast mode for GPT-6 Astra in the Responses API. Use gpt-6-astra with service_tier: "ultrafast" to reduce the time between generated output tokens. It is available to API customers, subject to rate limits, with global processing and US data residency. EU and other regi…
Added computer use to the Agents API. Agents can complete tasks in an OpenAI-hosted browser, with website access approvals and sign-in handled by your application.
Agents can complete tasks in an OpenAI-hosted browser, with website access approvals and sign-in handled by your application.
New features include opt-in instant_interrupt, compact welcome screen, and native Mermaid rendering improvements.
New features include configurable copy-on-select and right-click paste in the fullscreen TUI, support for OAuth client secrets, bearer token authentication, transparent background image generation, and default terminal input approval for elevated commands.
Fixed a bug in image encoding that degraded image understanding in GPT-6 Sol and GPT-6 Luna. This update improves results on visual tasks in the API and Codex, including computer use. If your use cases involve image inputs, we recommend rerunning your evaluations and retrying wo…
Fixed a bug in image encoding that degraded image understanding in GPT-6 Sol and GPT-6 Luna. Improves results on visual tasks in the API and Codex.
Added GPT-6 Sol and Luna, including Amazon Bedrock support and migration prompts for older models. Enabled fullscreen transcripts by default and added Shift-click to extend text selections. Enabled automatic background-server startup for eligible interactive sessions, with recov…
Released GPT-6 Sol (gpt-6-sol) and GPT-6 Luna (gpt-6-luna). These reasoning models accept text and image inputs and generate text through the Responses and Chat Completions APIs. Standard pricing per 1M tokens for prompts with up to 272K input tokens: GPT-6 Sol: $2 input, $0.20…
GPT-6 Sol and GPT-6 Luna are rolling out to Codex and ChatGPT Work at lower token prices than their GPT-5.6 predecessors. Use Sol for complex coding and agentic workflows, and Luna for focused, high-volume tasks. Select with /model or codex --model gpt-6-sol / gpt-6-luna.
Choose an optional fullscreen UI with /tui for your next launch, including transcript search, mouse selection, and right-click copying. Voice conversations are enabled by default...
Added API key creation governance controls at the organization and project levels. Administrators can allow only service-account keys, allow only user-owned project keys, or disable all new API key creation. Organization restrictions take precedence over project settings, and ex…
Added API key creation governance controls at the organization and project levels. Administrators can restrict key creation types.
Administrators can allow only service-account keys, allow only user-owned project keys, or disable all new API key creation. Organization restrictions take precedence over project settings, and existing API keys are unaffected.
Type a quick chat from floating Pets controls in the ChatGPT desktop app on macOS and Windows, and share an app window with an appshot on Windows (Alt+Alt).
Released the Agents API in public beta. Build agents with a managed Codex harness while OpenAI handles session orchestration, context compaction, and recovery. Use durable sessions to continue work across turns, stream progress, and connect your own tools and MCP servers. Run ag…
GPT-Live 1 is now generally available in the API. Build full-duplex voice conversations that can continue while a backend model or agent handles reasoning and tools. Use Responses delegation with an OpenAI model, or client delegation to connect your own backend. Voice sessions c…
GPT-Live 1 is now generally available in the API. Build full-duplex voice conversations that can continue while a backend model or agent handles reasoning and tools. Use Responses delegation with an OpenAI model, or client delegation to connect your own backend. Voice sessions c…
GPT-Live 1 is now generally available in the API. Build full-duplex voice conversations that can continue while a backend model or agent handles reasoning and tools. Use Responses delegation with an OpenAI model, or client delegation to connect your own backend. Voice sessions c…
Project API keys can now be created with expiration dates. Administrators can also enforce a maximum key lifetime at the organization or project level in Platform settings, requiring newly created keys to expire within the configured limit.
You can now set expiration dates when creating project API keys. Administrators can also enforce a maximum key lifetime at the organization or project level in Platform settings, requiring newly created keys to expire within the configured limit. See production best practices fo…
Added API key expiration dates. Administrators can enforce maximum key lifetime at the organization or project level.
You can now set expiration dates when creating project API keys. Administrators can also enforce a maximum key lifetime at the organization or project level in Platform settings, requiring newly created keys to expire within the configured limit. See production best practices fo…
Released GPT Image 2.5 Sunburst and GPT Image 2.5 Flare for image generation and editing through the Image API and the Responses API image generation tool. Use Sunburst for workflows where editing precision matters most, or Flare for fast, high-quality everyday image generation.…
Prompt Cache Diagnostics is now generally available in the Responses API for GPT-5.6 and later supported models. Compare cache reuse against a previous response, identify reasons for cache misses, and follow troubleshooting guidance to improve cache reuse.
Prompt Cache Diagnostics is now generally available in the Responses API for GPT-5.6 and later supported models. Compare cache reuse against a previous response, identify reasons for cache misses, and follow troubleshooting guidance to improve cache reuse.
Prompt Cache Diagnostics is now generally available in the Responses API for GPT-5.6 and later supported models. Compare cache reuse against a previous response, identify reasons for cache misses, and follow troubleshooting guidance to improve cache reuse.
GPT-Rosalind ( gpt-rosalind-research ) is now generally available through the trusted-access program for approved internal life sciences research. Standard pricing is $5 per 1M input tokens, $0.50 per 1M cached input tokens, and $25 per 1M output tokens. Billing begins on Octobe…
GPT-Rosalind (gpt-rosalind-research) is now generally available through the trusted-access program for approved internal life sciences research.
GPT-Rosalind (gpt-rosalind-research) is now generally available through the trusted-access program for approved internal life sciences research. Standard pricing is $5 per 1M input tokens, $0.50 per 1M cached input tokens, and $25 per 1M output tokens. Billing begins on October…
GPT-Rosalind (gpt-rosalind-research) is now generally available through the trusted-access program for approved internal life sciences research. Standard pricing is $5 per 1M input tokens, $0.50 per 1M cached input tokens, and $25 per 1M output tokens. Billing begins on October…
Released GPT Image 2.5 Sunburst and GPT Image 2.5 Flare for image generation and editing through the Image API and the Responses API image generation tool.
Prompt Cache Diagnostics is now generally available in the Responses API for GPT-5.6 and later supported models. Compare cache reuse against a previous response, identify reasons for cache misses, and follow troubleshooting guidance to improve cache reuse.
GPT-Rosalind (gpt-rosalind-research) is now generally available through the trusted-access program for approved internal life sciences research. Standard pricing is $5 per 1M input tokens, $0.50 per 1M cached input tokens, and $25 per 1M output tokens. Billing begins on October…
Released GPT Image 2.5 Sunburst and GPT Image 2.5 Flare for image generation and editing through the Image API and the Responses API image generation tool. Use Sunburst for workflows where editing precision matters most, or Flare for fast, high-quality everyday image generation.…
Released GPT-6 Astra , our most capable model, built for the hardest end-to-end work. Use GPT-6 Astra for reasoning, coding, computer use, research, and document creation. It combines these capabilities to carry complex tasks from an initial request to a finished result, using t…
Added new controls for long-running work with GPT-6 Astra in the Responses API: Async tool calling: Let the model continue working while your application runs function or custom tools, then return results as they become available. Mid-turn steering: Send additional instructions…
Released GPT-6 Astra, our most capable model, built for the hardest end-to-end work. Use GPT-6 Astra for reasoning, coding, computer use, research, and document creation. It combines these capabilities to carry complex tasks from an initial request to a finished result, using th…
Added new controls for long-running work with GPT-6 Astra in the Responses API: Async tool calling, Mid-turn steering, and Change reasoning effort mid-conversation.
Released GPT-6 Astra, our most capable model, built for the hardest end-to-end work. Use GPT-6 Astra for reasoning, coding, computer use, research, and document creation. It combines these capabilities to carry complex tasks from an initial request to a finished result, using th…
Added new controls for long-running work with GPT-6 Astra in the Responses API: Async tool calling : Let the model continue working while your application runs function or custom tools, then return results as they become available. Mid-turn steering : Send additional instruction…
Updated API errors so applications can distinguish traffic that increases too quickly from temporary model overload. Traffic that increases too quickly can return a 429 error with the slow_down code. Temporary model overload returns a 503 error with the server_is_overloaded code…
Updated API errors to distinguish traffic that increases too quickly from temporary model overload. Traffic that increases too quickly returns a 429 error with the slow_down code. Temporary model overload returns a 503 error with the server_is_overloaded code.
Updated API errors so applications can distinguish traffic that increases too quickly from temporary model overload. Traffic that increases too quickly can return a 429 error with the slow_down code. Temporary model overload returns a 503 error with the server_is_overloaded code…
Updated API errors so applications can distinguish traffic that increases too quickly from temporary model overload. Traffic that increases too quickly can return a 429 error with the slow_down code. Temporary model overload returns a 503 error with the server_is_overloaded code…
Connections to api.openai.com can now use IPv6.
Connections to api.openai.com can now use IPv6.
Connections to api.openai.com can now use IPv6. Improves network connectivity options for API customers.
Connections to api.openai.com now support IPv6.
Mutual TLS (mTLS) and X.509 workload identity federation are now generally available for the OpenAI API. Configure certificates and X.509 identity providers directly in the Platform console , with access controlled by your organization's roles and permissions.
Mutual TLS (mTLS) and X.509 workload identity federation generally available for OpenAI API.
Mutual TLS (mTLS) and X.509 workload identity federation are now generally available for the OpenAI API. Configure certificates and X.509 identity providers directly in the Platform console, with access controlled by your organization's roles and permissions.
Mutual TLS (mTLS) and X.509 workload identity federation are now generally available for the OpenAI API. Configure certificates and X.509 identity providers directly in the Platform console, with access controlled by your organization's roles and permissions.
Deprecation of whisper-1, gpt-4o-transcribe, gpt-4o-mini-transcribe, and gpt-4o-transcribe-diarize. These models will shut down on February 26, 2027. Migrate to gpt-live-transcribe or gpt-transcribe.
Announced the deprecation of whisper-1, gpt-4o-transcribe, gpt-4o-mini-transcribe, and gpt-4o-transcribe-diarize. These models will shut down on February 26, 2027. Migrate to gpt-live-transcribe or gpt-transcribe. The Assistants API shut down on August 26, 2026. Migrate to the R…
Announced the deprecation of whisper-1, gpt-4o-transcribe, gpt-4o-mini-transcribe, and gpt-4o-transcribe-diarize. These models will shut down on February 26, 2027. Migrate to gpt-live-transcribe or gpt-transcribe. See the transcription guide and deprecations page. The Assistants…
Announced the deprecation of whisper-1 , gpt-4o-transcribe , gpt-4o-mini-transcribe , and gpt-4o-transcribe-diarize . These models will shut down on February 26, 2027. Migrate to gpt-live-transcribe or gpt-transcribe . See the transcription guide and deprecations page . The Assi…
Enabled ChatGPT scheduled tasks to trigger from Gmail, Slack, and GitHub events with filtering capabilities.
Added browser extension support for Microsoft Edge, Brave, Opera, and Vivaldi; introduced site tools and cloud sign-in features.
API customers can now select regional processing for an individual request by using a prefixed domain with an API key from a project having Global geography. Existing eligibility, data retention control, endpoint, and model support requirements continue to apply. Learn more in t…
API customers can select regional processing for individual requests using a prefixed domain with an API key from a Global geography project.
API customers can now select regional processing for an individual request by using a prefixed domain with an API key from a project having Global geography. Existing eligibility, data retention control, endpoint, and model support requirements continue to apply. Learn more in t…
GPT-5.6 Sol now costs $4 per million input tokens and $20 per million output tokens, 20% lower input and 33% lower output pricing. The promotional pricing is available at least through November 21, 2026.
API customers can now select regional processing for an individual request by using a prefixed domain with an API key from a project having Global geography. Existing eligibility, data retention control, endpoint, and model support requirements continue to apply.
Transparent backgrounds are now available in preview for gpt-image-2 and gpt-image-2-2026-04-21 in the Images API and the Responses API image generation tool. Set background to transparent and use png or webp output; jpeg does not support transparent backgrounds. Learn more in t…
Transparent backgrounds are now available in preview for gpt-image-2 and gpt-image-2-2026-04-21 in the Images API and the Responses API image generation tool. Set background to transparent and use png or webp output; jpeg does not support transparent backgrounds. Learn more in t…
Transparent backgrounds available in preview for gpt-image-2 and gpt-image-2-2026-04-21 in Images API and Responses API.
Released the Prompt Caching dashboard on the OpenAI API platform. Track your cache hit rate over time, cache reads per write, and the breakdown of cache-read, cache-write, and uncached tokens to understand your caching efficiency and identify opportunities to improve. Filter met…
Prompt Caching dashboard released for tracking cache efficiency metrics.
Released the Prompt Caching dashboard on the OpenAI API platform. Track your cache hit rate over time, cache reads per write, and the breakdown of cache-read, cache-write, and uncached tokens to understand your caching efficiency and identify opportunities to improve. Filter met…
Transparent backgrounds are now available in preview for gpt-image-2 and gpt-image-2-2026-04-21 in the Images API and the Responses API image generation tool. Set background to transparent and use png or webp output; jpeg does not support transparent backgrounds.
Released the Prompt Caching dashboard on the OpenAI API platform. Track your cache hit rate over time, cache reads per write, and the breakdown of cache-read, cache-write, and uncached tokens to understand your caching efficiency and identify opportunities to improve. Filter met…
Introduced Apple Messages plugin, site co-editing, computer history availability, shared thread snapshots, and unified pinned threads.
Added GitLab support in Codex cloud (Beta) for project connections, environment creation, and merge request reviews.
Announced Ultrafast mode, a new API service tier for GPT-5.6 Sol that runs up to 14x faster than Standard processing. Available in limited preview to select customers.
Announced Ultrafast mode, a new API service tier for GPT-5.6 Sol that runs up to 14x faster than Standard processing. Available in limited preview to select customers. Sign up to receive updates on Ultrafast mode here.
Announced Ultrafast mode, a new API service tier for GPT-5.6 Sol that runs up to 14x faster than Standard processing. Available in limited preview to select customers.
Computer History is an opt-in feature in the ChatGPT desktop app on macOS that turns activity across apps and websites into memories and a timeline that ChatGPT and Codex can use. Choose which apps and websites contribute, pause collection, and review or delete your history at a…
The ChatGPT desktop app for Linux is available in preview for supported Ubuntu, Debian, and Fedora desktop distributions on x64 and ARM64 processors. Import setup and recent work from other agents like Claude Code, Claude Cowork, and Cursor.
Daybreak now offers two access tiers for approved defenders: Daybreak Blue and Daybreak Red. Use them to move from security findings to validated fixes in explicitly authorized engagements. Start with Daybreak Blue for most defensive security work. It provides access to general-…
Daybreak now offers two access tiers for approved defenders: Daybreak Blue and Daybreak Red. Use for security findings to validated fixes in authorized engagements.
Daybreak now offers two access tiers for approved defenders: Daybreak Blue and Daybreak Red. Use them to move from security findings to validated fixes in explicitly authorized engagements. Start with Daybreak Blue for most defensive security work. It provides access to general-…
Daybreak now offers two access tiers for approved defenders: Daybreak Blue and Daybreak Red. Use them to move from security findings to validated fixes in explicitly authorized engagements. Start with Daybreak Blue for most defensive security work. It provides access to general-…
Daybreak Blue and Daybreak Red access tiers launched for approved defenders with different model capabilities.
Updated the chat-latest snapshot, which points to the latest model available in ChatGPT for Plus and Pro users. We recommend leveraging GPT-5.6 Sol for production API usage, but feel free to use this model to test the latest improvements for chat use cases. The underlying model…
Updated the chat-latest snapshot, which points to the latest model available in ChatGPT for Plus and Pro users. Recommend using GPT-5.6 Sol for production API usage.
Updated the chat-latest snapshot, which points to the latest model available in ChatGPT for Plus and Pro users. We recommend leveraging GPT-5.6 Sol for production API usage, but feel free to use this model to test the latest improvements for chat use cases. The underlying model…
Fast mode supports long-context requests for GPT-5.6 Sol, GPT-5.6 Terra, and GPT-5.6 Luna with 2.5× faster speeds than Standard tier.
Fast mode now supports long-context requests for GPT-5.6 Sol, GPT-5.6 Terra, and GPT-5.6 Luna. As of today, long-context prompts exceeding 272K tokens can run in Fast mode, delivering speeds up to 2.5× faster than the Standard tier. See pricing details.
Customers can now filter and group data by API key in the Usage and Costs dashboards. The Usage API and Costs API also support the API key dimension for programmatic reporting and analysis.
Starting July 30, GPT-5.6 Luna costs 80% less, while GPT-5.6 Terra costs 20% less. See pricing details . We're also introducing Fast mode in the API, which replaces our Priority Processing offering. For GPT-5.6 Sol, Fast mode now delivers up to 2.5× faster speeds than standard p…
Starting July 30, GPT-5.6 Luna costs 80% less, while GPT-5.6 Terra costs 20% less. Introduced Fast mode in the API, which replaces Priority Processing.
Starting July 30, GPT-5.6 Luna costs 80% less and GPT-5.6 Terra costs 20% less. Fast mode replaces Priority Processing in the API, delivering up to 2.5x faster speeds for GPT-5.6 Sol at twice the price; requests tagged priority automatically use Fast mode.
The latest ChatGPT desktop app update includes faster browsing, multi-repository code review, and improved image editing capabilities. Features include built-in browser enhancements, multi-folder project reviews, and expanded image viewer options.
Released the official OpenAI Terraform provider for managing OpenAI API Platform resources as infrastructure as code. Provision and manage projects, users, groups, roles, access assignments, service accounts, certificates, invitations, and project-level rate limits.
Official OpenAI Terraform provider released for managing API Platform resources as infrastructure as code.
Released the official OpenAI Terraform provider for managing OpenAI API Platform resources as infrastructure as code. Provision and manage projects, users, groups, roles, access assignments, service accounts, certificates, invitations, and project-level rate limits. Use standard…
Sign in with ChatGPT is beginning to roll out in beta across select plugins and partner sites, starting with Airtable, GitLab, HubSpot, Notion, Supabase, and Vercel. When you connect a supported plugin from the ChatGPT plugin directory, you can use Sign in with ChatGPT to create…
Released the official OpenAI Terraform provider for managing OpenAI API Platform resources as infrastructure as code. Provision and manage projects, users, groups, roles, access assignments, service accounts, certificates, invitations, and project-level rate limits. Use standard…
Released the official OpenAI Terraform provider for managing OpenAI API Platform resources as infrastructure as code. Provision and manage projects, users, groups, roles, access assignments, service accounts, certificates, invitations, and project-level rate limits. Use standard…
Released gpt-transcribe and gpt-live-transcribe for audio transcription. See the transcription guide and deprecations page .
Released GPT Transcribe for accurate file transcription and final transcripts of committed Realtime turns, along with GPT Live Transcribe for low-latency streaming transcription. Both models support free-form transcription context, keyword hints, and multiple expected input lang…
GPT Transcribe and GPT Live Transcribe launched for file transcription and low-latency streaming transcription.
Released GPT Transcribe for accurate file transcription and final transcripts of committed Realtime turns, along with GPT Live Transcribe for low-latency streaming transcription. Both models support free-form transcription context, keyword hints, and multiple expected input lang…
Powered by GPT-Live, ChatGPT Voice lets you talk through work and coordinate tasks in Chat, Work and Codex in the ChatGPT desktop app. Local projects can now include multiple related folders.
Added hard spend limits for organizations and projects on the OpenAI API platform. Set a monthly cap that causes affected API requests to return a 429 error when tracked spend reaches the limit.
Added hard spend limits for organizations and projects on the OpenAI API platform. Set a monthly cap that causes affected API requests to return a 429 error when tracked spend reaches the limit. Use spend alerts for notification before traffic is interrupted. Read more in the sp…
Released the GPT-5.6 model family, including GPT-5.6 Sol for frontier capability, GPT-5.6 Terra for a balance of intelligence and cost, and GPT-5.6 Luna for efficient, high-volume workloads. GPT-5.6 adds Programmatic Tool Calling, explicit prompt caching controls, persisted reas…
Codex is now part of the ChatGPT desktop app on macOS and Windows, with in-app Markdown and code editing, PR Chat for reviewing GitHub pull requests, and custom domains for published Sites.
Released GPT-Realtime-2.1, an updated realtime reasoning model with improved alphanumeric recognition, silence and noise handling, and interruption be
Released GPT-Realtime-2.1, an updated realtime reasoning model with improved alphanumeric recognition, silence and noise handling, and interruption behavior. Also released GPT-Realtime-2.1 mini, a faster, lower-cost distilled reasoning model for realtime voice applications.
Codex Remote has reached general availability. Use Codex from the ChatGPT mobile app to start or continue work on a connected Mac or Windows host, review progress, and approve actions from your phone. Remote Control now uses authenticated one-to-one QR pairing between each iOS o…
Released the Safety Usage Dashboard on the OpenAI API platform. The Safety dashboard shows blocked Responses requests based on safety_identifier values sent on requests to identify end users.
Added Record & Replay, a macOS feature that turns a demonstrated workflow into a reusable skill. Initial availability excludes the European Economic Area, the United Kingdom, and Switzerland. Added bulk actions to automation run history so you can mark every run as read or archi…
Added rate-limit reset banking for Plus and Pro users, including one free reset at launch and referral invitations for earning more during the current promotion. Eligible Business members can invite coworkers to earn shared workspace credits through a separate referral program.…
Web search can now return image results alongside regular text results. Use image search when your application needs current or web-grounded visuals.
Added Import to Codex flows for importing setup from Claude Code and Claude Cowork. Revamped plugins screen with tabs, marketplace filters, and keyboard navigation. Expanded Settings search to include Git and pets.
Added moderation scores to the Responses API and Chat Completions API. Pass a moderation object in a generation request to receive moderation results for both the model input and generated output in the same response.
Eligible container sessions will be billed per minute with a 5-minute minimum, instead of being billed at the full 20-minute session rate. This update is intended to make billing more granular for shorter sessions and will lower effective cost for customers.
Sites is now available in preview in the Codex app. Use the Sites plugin to create, save, deploy, and inspect websites, dashboards, internal tools, web apps, and games hosted by OpenAI.
Codex can now use supported OpenAI models available through Amazon Bedrock. Configure Amazon Bedrock as your model provider to run Codex locally with AWS-managed authentication, account controls, and billing.
OpenAI models are now available in Amazon Bedrock through an OpenAI-compatible Responses API endpoint. Supported models and features vary by AWS Region.
For organizations without ZDR enabled, prompt_cache_retention now defaults to 24h instead of in_memory, enabling extended prompt caching by default.
Computer Use now works on Windows. Codex can operate Windows desktop apps by seeing, clicking, and typing in the foreground while it works. Remote control now supports Windows devices. The Profile section now shows your profile details, usage stats, and token activity. Added thr…
Released workload identity federation. Trusted workloads can exchange externally issued identity tokens for short-lived OpenAI access tokens without storing long-lived API keys.
Added new Admin API capabilities for managing spend alerts, model allowlists, data retention settings, and hosted tool permissions, plus querying granular billing line items.
Appshots are now available in the Codex app on macOS. Goal mode is no longer an experimental feature and is available in the Codex app, IDE extension, and CLI. Remote computer use, so Codex can use desktop apps after your Mac locks, including remotely via Codex Mobile. Plugin sh…
Released Secure MCP Tunnel for enterprise customers. Secure MCP Tunnel lets supported OpenAI products including ChatGPT web, Codex, Responses API, and AgentKit connect to private or on-prem MCP servers through a customer-hosted tunnel-client without exposing those servers to the…
You can now manage multiple IP allowlists and apply each one at the project level or across the whole organization.
You can now use Codex from the ChatGPT mobile app by connecting it to a Mac running the Codex app. This launch also includes Hooks general availability, Codex access tokens for trusted automation, and Enterprise admin setup guidance.
Added return_token_budget for the Responses API web search tool. Use it to opt in to longer GPT-5+ reasoning web search runs for high-effort research and evaluation workloads.
This helps you build AI applications and agents in Codex with OpenAI Platform access and OpenAI API setup guidance.
Released GPT-Realtime-2, a new realtime voice model with configurable reasoning for speech-to-speech agents, along with GPT-Realtime-Translate for streaming speech translation and GPT-Realtime-Whisper for streaming speech-to-text.
With the new extension for Chrome, Codex is even better at working with apps and websites in your browser. It works in parallel across tabs in the background without taking over your browser, and you stay in control of which websites Codex can use.
The updated Agents SDK is now available in TypeScript, with support for sandbox agents and an open-source harness built in.
ChatGPT Enterprise workspace owners and admins can allow permitted members to create Codex access tokens for trusted, non-interactive Codex local workflows. Members can use access tokens to run Codex from scripts, schedulers, and private CI runners with their ChatGPT workspace i…
Admin APIs are now supported in the OpenAI SDKs for Node, Python, Go, Ruby, and Java. See the Admin APIs guide for setup instructions and examples.
Released GPT-5.5 , a new frontier model for complex professional work, to the Chat Completions and Responses API, and released GPT-5.5 Pro for Responses API requests for tougher problems that benefit from more compute. GPT-5.5 supports a 1M token context window, image input, str…
GPT-5.5 is now available in Codex as OpenAI’s newest frontier model for complex coding, computer use, knowledge work, and research workflows. GPT-5.5 in Codex GPT-5.5 is the recommended choice for most Codex tasks when it appears in your model picker.
Released GPT Image 2 , a state-of-the-art image generation model for image generation and editing. GPT Image 2 supports flexible image sizes, high-fidelity image inputs, token-based image pricing, and Batch API support with a 50% discount.
Introduced in-app browser for verifying work, computer use for macOS app interaction, chats for task management, enhanced pull request workflows, and artifact viewer for richer outputs
OpenAI rolled out upgraded Box, Notion, Linear, and Dropbox apps in ChatGPT with new app actions, added write capabilities where supported, and the latest in-product app experience.
ChatGPT added optional device-location sharing so it can return more relevant local recommendations, news, and weather.
Verified university students in the U.S. and Canada can claim Codex credits to extend usage beyond the normal plan limits.
ChatGPT simplified its mobile sidebar so plan-based experiences like Images, Codex, Pulse, and Apps now sit in a horizontal bar above chats and projects.
Codex now supports plugins: installable bundles that package skills, app integrations, and MCP server configuration for reusable workflows. Plugins are available in the Codex app, CLI, and IDE extensions.
OpenAI rolled out GPT-5.4 mini as a lightweight reasoning fallback for free, Go, and paid users when higher-tier limits are reached.
Released GPT-5.4 mini and GPT-5.4 nano to the Chat Completions and Responses API. GPT-5.4 mini brings GPT-5.4-class capabilities to a faster, more efficient model for high-volume workloads, while GPT-5.4 nano is optimized for simple high-volume tasks where speed and cost matter…
OpenAI refined GPT-5.3 Instant again, focusing on follow-up tone and reducing teaser-style phrasing.
Added POST /v1/videos/edits for editing existing videos. This will replace POST /v1/videos/{video_id}/remix , which will be deprecated in 6 months.
Expanded the Sora API with reusable character references, longer generations up to 20 seconds, 1080p output for sora-2-pro , video extensions, and Batch API support for POST /v1/videos . 1080p generations on sora-2-pro are billed at $0.70 per second.
Introduced theme customization in Settings, revamped automations with local/remote execution options, and template-based automation creation
OpenAI folds Aardvark into Codex Security and rolls it out as a research preview for Enterprise, Business, and Edu customers via Codex web.
OpenAI brought GPT-5.4 Thinking into ChatGPT, folding its newer frontier model into the reasoning mode for harder work.
Released GPT-5.4 , our newest frontier model for professional work, to the Chat Completions and Responses API, and released GPT-5.4 Pro to the Responses API for tougher problems that benefit from more compute. Also released: Tool search in the Responses API, which lets models de…
The Codex app update makes the app available on Windows and keeps the higher rate limits across the app, CLI, IDE, and cloud surfaces.
OpenAI updated GPT-5.3 Instant with more accurate search-grounded answers, fewer dead ends, and smoother conversational flow.
Adds a code-to-design integration that connects Codex directly to Figma's design tools through MCP.
Released phase to the Responses API. It labels an assistant message as intermediate commentary ( commentary ) or the final answer ( final_answer ).
Released gpt-5.3-codex to the Responses API.
Expanded input_file support in the Responses API to accept more document, presentation, spreadsheet, code, and text file types.
Launched WebSocket mode for the Responses API.
Released GPT-Realtime-1.5 to the Realtime API. Released gpt-audio-1.5 to the Chat Completions API.
OpenAI shipped GPT-5.3-Codex-Spark as a fast research preview for real-time coding in the Codex app, CLI, and VS Code extension.
Launched support for Skills in the Responses API. We support Skills across both local execution and hosted container-based execution.
Launched server-side compaction in the Responses API.
Launched a new Hosted Shell tool, as well as support for networking in containers.
OpenAI updated GPT-5.2 Instant in ChatGPT and the API to sound more measured and grounded, with clearer answers on advice and how-to questions.
GPT-5.3-Codex is available natively in Cursor and VS Code, with API access starting for a small set of customers in a phased release. It is the first model treated as a high security capability under the Preparedness Framework.
OpenAI launched GPT-5.3-Codex as its most capable agentic coding model yet, combining Codex and GPT-5 training stacks into a faster model for long-running work on real projects.
Optimized inference stack for API customers and GPT-5.2 and GPT-5.2-Codex now run ~40% faster. Model and model weights are unchanged.
Launches the Codex app for macOS, a new interface for managing multiple agents in parallel and coordinating longer tasks.
Web search enabled by default in Codex CLI and IDE extension with cached/live modes
OpenAI improved ChatGPT Voice search responses so they return more complete and up-to-date answers, including better shopping results. The update focused on making voice interactions more useful for live, search-heavy tasks.
Team Config for shared configuration across repositories and machines
OpenAI updated GPT-5.2 Instant's default personality to sound more conversational and adapt tone more naturally. The change kept personalization controls available in ChatGPT settings.
OpenAI shipped Voice updates for paid users, improving instruction following and fixing the custom-instructions repeat bug. It also started rolling out age prediction on consumer plans to apply teen-appropriate safeguards.
Announced Open Responses: an open-source spec for building multi-provider, interoperable LLM interfaces built on top of the original OpenAI Responses API.
Releases GPT-5.2-Codex to the Responses API, optimized for agentic coding tasks in Codex or similar environments.
Added dedicated SIP IP ranges for Realtime API. sip.api.openai.com does GeoIP routing, and will direct SIP traffic to the closest region.
Added gpt-image-1.5 and chatgpt-image-latest to the Responses API image generation tool.
Agent skills support for reusable task bundles in Codex CLI and IDE extensions
Introducing GPT-5.2-Codex, the most advanced agentic coding model for complex software engineering tasks with improvements in context compaction, large code changes, and cybersecurity.
Released gpt-image-1.5 and chatgpt-image-latest , our latest and most advanced models for image generation. Read more here .
Released four new dated audio snapshots (gpt-realtime-mini, gpt-audio-mini, gpt-4o-mini-transcribe, gpt-4o-mini-tts, all 2025-12-15) with reliability, quality and voice fidelity improvements for voice-driven applications. The launch also adds support for custom voices for eligible customers.
Released GPT-5.2 , the newest flagship model in the GPT-5 model family. GPT-5.2 shows improvements over the previous GPT-5.1 in: General intelligence Instruction following Accuracy and token efficiency Multimodality-especially vision Code generation-especially front-end UI creat…
Released client-side compaction . For long-running conversations with the Responses API, you can use the /responses/compact endpoint to shrink the context you send with each turn.
Released gpt-5.1-codex-max to the Responses API, a coding model optimized for long-horizon, agentic coding tasks.
Codex for Linear integration allows users to assign tasks and track progress directly within Linear workflow
Added support for DTMF key presses in the Realtime API. You can now receive DTMF events while using a Realtime sideband connection. See docs here for more information.
Introducing GPT-5.1-Codex-Max, a faster and more intelligent agentic coding model with enhanced reasoning capabilities
Released enhanced role-based access controls (RBAC) . Role-based access control (RBAC) lets you decide who can do what across your organization and projects-both through the API and in the Dashboard.
Released gpt-5.1-codex and gpt-5.1-codex-mini to the Responses API. GPT-5.1-Codex is a version of GPT-5.1 optimized for agentic coding tasks in Codex or similar environments.
Released GPT-5.1 , the newest flagship model in the GPT-5 model family. GPT-5.1 is trained to be especially proficient in: Steerability and faster responses when less thinking's required Code generation and coding use cases Agentic workflows Note that GPT-5.1 defaults to a new n…
Released extended prompt cache retention . Extended prompt cache retention keeps cached prefixes active for longer, up to a maximum of 24 hours. Extended Prompt Caching works by offloading the key/value tensors to GPU-local storage when memory is full, significantly increasing t…
Introduction of GPT-5-Codex-Mini as a cost-effective alternative to GPT-5-Codex with 4x more usage capacity
ChatGPT Pro and Plus users can now use on-demand credits for additional Codex usage beyond their plan limits
Released gpt-oss-safeguard-120b and gpt-oss-safeguard-20b, safety reasoning models built upon gpt-oss.
Released Enterprise Key Management (EKM) . Enterprise Key Management (EKM) allows you to encrypt your customer content at OpenAI using keys managed by your own external Key Management System (KMS).
Ability to tag @Codex in GitHub Issues and PRs for task initiation and collaboration
Released GPT-5 Pro , a version of GPT-5 that uses more compute to think harder and provide consistently better answers. Released GPT-Realtime mini and gpt-audio-mini for more cost-efficient speech to speech performance. Released gpt-image-1-mini for more cost-efficient image gen…
Codex is now generally available with 3 new features - @Codex in Slack, Codex SDK, and new admin tools.
GPT-5-Codex is now available in the Responses API, and you can also use it with your API Key in the Codex CLI.
GPT-5-Codex is a version of GPT-5 further optimized for agentic coding in Codex, available in the IDE extension and CLI with ChatGPT sign-in. It also adds image outputs for front-end tasks in the cloud, codex resume and automatic context compaction in the CLI.
Codex now runs in your IDE (VS Code, Cursor, Windsurf) with an interactive UI, adds one-click sign-in with ChatGPT in the IDE and CLI, local-to-cloud task handoff, and PR code reviews that can run code to validate changes.
Attach images to prompts in Codex web, plus container caching that starts new tasks about 90% faster and automatic environment setup for common package managers.
Codex can now generate multiple responses simultaneously for a single task, helping you explore possible solutions and pick the best approach.
You can now give Codex access to the internet during task execution to install dependencies, upgrade packages and run tests that need external resources. Off by default, with granular domain and HTTP method controls.
Added a new function calling option tool_choice: "required" to the Chat Completions and Assistants APIs
Introduced a series of updates to the Assistants API, including a new file search tool allowing up to 10,000 files per assistant, new token controls, and support for tool choice
Introduced project based hierarchy for organizing work by projects, including the ability to create API keys and manage rate and cost limits on a per-project basis (cost limits available only for Enterprise customers)
Released GPT-4 Turbo with Vision in general availability in the API
Added support for streaming in the Assistants API
Released gpt-3.5-turbo-0125, an updated GPT-3.5 Turbo model
Released embedding V3 models and an updated GPT-4 Turbo preview
Added logprobs and top_logprobs parameters to the Chat Completions API
Released GPT-4 Turbo Preview, updated GPT-3.5 Turbo, GPT-4 Turbo with Vision, Assistants API, DALL·E 3 in the API, and text-to-speech API
Added function calling support to the Fine-tuning API
Releases per month over the last 12 months. Busiest month: September 2026, 54 releases.
Releases in the last 12 months by category and product.
The most recent OpenAI update we track is “Ultrafast mode for GPT-6.1 Sol”, released on October 8, 2026.
OpenAI shipped 11 updates in October 2026, including “Ultrafast mode for GPT-6.1 Sol”, “Updated chat-latest snapshot”, “Update chat-latest” and 8 mores.
We tracked 217 updates from OpenAI in the last 12 months, about 18 a month. The busiest month was September 2026, with 54 releases.
OpenAI publishes release notes on OpenAI API Changelog, Codex Changelog and OpenAI Help Center Release Notes, linked at the top of this page. Every entry here links back to the official page it came from.
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