openai
GPT 5.1
openai/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.
Tool callingStructured outputReasoningVision
Context
400K
400,000 tokens
Max output
25K
25,000 tokens
Input price
$1.25
1,250 Gold Karma / 1M
Output price
$10.00
10,000 Gold Karma / 1M
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.
Tool callingStructured outputReasoningVisionStreaming
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