Selected
GPT-5.1 Chat
openai/gpt-5.1-chat-latest
OpenAI / GPT
Chat-tuned GPT-5.1 for polished assistants, writing, and product conversations
Released
2025-11-13
Context window
128K
Max output
16K
Weights
Closed
Modalities
TextInputImageInputTextOutput
Capabilities
AttachmentsReasoningTool callStructured
Select at least two models to compare.
Compare models1 models selectedSelect up to 4