GPT-5 Pro
OpenAI
openai/gpt-5-proGPT-5 Pro is an extended-reasoning tier of GPT-5 that trades latency and cost for higher accuracy on the hardest problems. It is aimed at difficult research, coding, and analytical tasks that benefit from maximum reasoning effort.
Cost rate
23x
Context
400K
Released
Oct 6, 2025
Input
ImageTextFile
Output
Text
Support
ReasoningTool callingStructured outputs