GPT-5.2
OpenAI · 2025-12-11
GPT-5.2 is OpenAI's reasoning model for complex professional work and the API counterpart to ChatGPT GPT-5.2 Thinking, with configurable reasoning effort. It improved on GPT-5.1 in reasoning and agentic work and was later followed by the separately released GPT-5.2-Codex variant optimized for agentic coding. Its only published snapshot, and the gpt-5.2 alias's default, is gpt-5.2-2025-12-11.