GPT 5.1
GPT-5.1 is a frontier-grade model in the GPT-5 series with stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style. Its adaptive reasoning allocates compute dynamically, responding quickly to simple queries and going deeper on complex ones, delivering consistent gains across math, coding, and structured analysis with reliable tool use.
Quick start
Drop-in requests for the OpenAI-compatible Deva endpoint.
1curl https://api.deva.me/v1/chat/completions \2 -H "Authorization: Bearer $DEVA_API_KEY" \3 -H "Content-Type: application/json" \4 -d '{5 "model": "openai/gpt-5.1",6 "messages": [{"role":"user","content":"Hello from Deva"}],7 "stream": true8 }'Capabilities
Feature metadata advertised for this model.
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