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Field
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GPT-5.2 Pro
openai/gpt-5.2-pro
OrganizationOpenAI
FamilyGPT
Released2025-12-11
Context window400K
Max output128K
Modalities
ImageInputTextInputTextOutput
ProvidersPoe, NanoGPT, LLM Gateway, ZenMux, OrcaRouter, Requesty, Kilo Gateway, Vercel AI Gateway, OpenRouter, Jiekou.AI, OpenAI
WeightsClosed
Attachments
Native
Reasoning
Native
Parameters: reasoning, include_reasoning, reasoning_effort
Tool call
Native
Parameters: tools, tool_choice
Structured-
Temperature-
Open weight-
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