GPT-5.2 Pro (2025-12-11)
OpenAI · gpt-5.2-pro-2025-12-11
GPT-5.2 Pro is suitable for complex professional work. GPT-5.2 Pro is only available in the Responses API to support multi-turn model interactions before responding to API requests, as well as other future advanced API features. Because GPT-5.2 Pro is designed to solve difficult problems, some requests may take several minutes to complete. To avoid timeouts, background mode can be used. GPT-5.2 Pro supports reasoning.effort: medium, high, xhigh.
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