GPT-5.2

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GPT-5.2 is a large language model by OpenAI, released on December 11, 2025. Succeeding GPT-5.1, it is a family of three large language models within the GPT series. It comes in three modes: GPT-5.2 instant, GPT-5.2 thinking (with standard and extended thinking), and GPT-5.2 Pro, with the latter two being reasoning models. GPT-5.2 Pro takes more reasoning time and compute than GPT-5.2 thinking. OpenAI also released a variant specialized for coding, GPT-5.2-Codex. The successor, GPT-5.3-Codex, was released on February 5, 2026, and in the following month, GPT-5.4 was released to public on March 5, 2026.

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