GPT-5.2 Pro
OpenAI
openai/gpt-5.2-proGPT-5.2 Pro is the extended-reasoning tier of GPT-5.2, trading latency for maximum accuracy on hard problems. It is aimed at complex research, coding, and analytical work with OpenAI's largest available context window.
Cost rate
32x
Context
400K
Released
Dec 10, 2025
Input
ImageTextFile
Output
Text
Support
ReasoningTool callingStructured outputs