GPT-5.1-2025-11-13
OpenAI's GPT-5.1-2025-11-13 is a chat model capable of handling various tasks, including function calling, reasoning, and text generation. It is genuinely best at tasks that require extensive context understanding, thanks to its large context window of 1,047,576 tokens.
Input
Output
Context
1048K
Max Output
128K
Parameters
-
Technical Specifications
Model TypeChat
Context Window1,047,576 tokens
Max Output Tokens128,000 tokens
ParametersNot available
Release DateNov 10, 2025
Training CutoffNov 1, 2025
Licenseproprietary
Open SourceNo
Input Modalities
ImageText
Output Modalities
ImageText
Capabilities
Resources & Links
proprietary, Proprietary - API access only
Related Tools
Data sourced from official provider APIs and documentation
Last updated: Jun 23, 2026
Start building with the right model.
Automatically route workloads to the right model for every task, every time.