Credits on ChatGPT Pro and Plus
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OpenAI changelog: October 2025
7 releases from to
Everything OpenAI shipped in October 2025, collected from official OpenAI sources. Each entry is dated and links to the page it came from.
October 2025 at a glance
October 2025 was OpenAI's busiest month of the 12 months to then: 7 releases, about 6.5× its monthly average of 1. That was 5 releases more than September 2025. Most were Developer Tools (3), followed by Enterprise & Security (2) and Model (2).
Releases
7
+5 vs September 2025
Rank of 12 months
1st
Average 1.1 a month
Most shipped
Developer Tools
3 releases
Notable OpenAI launches in October 2025
- Model
gpt-oss-safeguard-120b and 20b
Released gpt-oss-safeguard-120b and gpt-oss-safeguard-20b, safety reasoning models built upon gpt-oss.
Source: OpenAI API Changelog - Model
DevDay: GPT-5 Pro, Sora 2 API, Agent Builder, ChatKit
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…
Source: OpenAI API Changelog - Developer Tools
Credits on ChatGPT Pro and Plus
ChatGPT Pro and Plus users can now use on-demand credits for additional Codex usage beyond their plan limits
Source: Codex Changelog
All OpenAI releases in October 2025
Newest first. Each entry links to the official page it came from.
October 20257 releases
gpt-oss-safeguard-120b and 20b
Released gpt-oss-safeguard-120b and gpt-oss-safeguard-20b, safety reasoning models built upon gpt-oss.
UK data residency
Released UK data residency .
Enterprise Key Management (EKM)
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).
Tag @Codex on GitHub Issues and PRs
Ability to tag @Codex in GitHub Issues and PRs for task initiation and collaboration
DevDay: GPT-5 Pro, Sora 2 API, Agent Builder, ChatKit
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 generally available: Slack, SDK and admin tools
Codex is now generally available with 3 new features - @Codex in Slack, Codex SDK, and new admin tools.
Where October 2025 sits
OpenAI releases per month, for October 2025 and the 11 months before it. A taller bar means more releases that month; the dated entries for each month are on its own page.
Other companies in October 2025
12 of the companies we track shipped in October 2025; OpenAI ranks 2nd by number of releases.
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