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GPT-5.2
OpenAI · GPT-5
OpenAI released GPT-5.2 on December 11, 2025.
GPT-5.2 is the OpenAI model released to the API on December 11, 2025 as the newest flagship in the GPT-5 family. OpenAI listed improvements over GPT-5.1 in general intelligence, instruction following, accuracy and token efficiency, multimodality (especially vision), code generation (especially front-end UI), tool calling and context management, and spreadsheet understanding and creation. It is available in the Responses and Chat Completions APIs as gpt-5.2, with gpt-5.2-chat-latest for the ChatGPT version. GPT-5.2-Codex, a version tuned for agentic coding, reached the API in January 2026.
GPT-5.2 at a glance
- Released
- API model id
gpt-5.2gpt-5.2-chat-latest- Available on
- OpenAI API
- Previous model
- GPT-5.1 (November 13, 2025)
- Announcement
- developers.openai.com
What changed from GPT-5.1
New in GPT-5.2: an xhigh reasoning effort level, concise reasoning summaries, and context management using compaction.
OpenAI described broad gains over GPT-5.1, with vision, front-end code and spreadsheets called out specifically.
New to model names and version numbers? Read how AI labs version their models.
GPT-5.2 release timeline
The launch and every later OpenAI release that mentions GPT-5.2, oldest first.
- GPT-5.2
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…
Source: OpenAI API Changelog - GPT-5.2-Codex
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.
Source: Codex Changelog - gpt-5.2-codex
Releases GPT-5.2-Codex to the Responses API, optimized for agentic coding tasks in Codex or similar environments.
Source: OpenAI API Changelog - 5.2 personality system prompt update
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.
Source: OpenAI Help Center Release Notes - GPT-5.2 and GPT-5.2-Codex run ~40% faster
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.
Source: OpenAI API Changelog - GPT-5.2 Instant Update
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.
Source: OpenAI Help Center Release Notes
GPT-5.2 FAQ
When was GPT-5.2 released?
OpenAI released GPT-5.2 on December 11, 2025. The launch entry below links to the official announcement.
Where is GPT-5.2 available?
GPT-5.2 is available on OpenAI API. Later availability changes are listed under follow-up releases on this page.
What is the GPT-5.2 API model id?
Use gpt-5.2 and gpt-5.2-chat-latest in OpenAI's API.
What came before GPT-5.2?
GPT-5.2 follows GPT-5.1, released on November 13, 2025.
Other OpenAI models
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