GPT-5.2-PRO
GPT-5.2-PRO is a chat model developed by OpenAI, capable of handling a wide range of tasks including text generation, reasoning, and tool use. It is genuinely best at tasks that require extended thinking and complex input processing, thanks to its large context window of 272,000 tokens.
Input
Output
Context
272K
Max Output
128K
Parameters
-
Technical Specifications
Model TypeChat
Context Window272,000 tokens
Max Output Tokens128,000 tokens
ParametersNot available
Release DateDec 10, 2025
Training CutoffAug 31, 2025
Licenseproprietary
Open SourceNo
Input Modalities
ImageText
Output Modalities
Text
Capabilities
Resources & Links
proprietary, Proprietary - API access only
Related Tools
Data sourced from official provider APIs and documentation
Last updated: Jun 23, 2026
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