Tools
openai

GPT 5

openai/gpt-5

GPT-5 is one of OpenAI's most advanced models, optimized for complex tasks that require step-by-step reasoning, instruction following, and accuracy in high-stakes use cases. It delivers major gains in code quality and reasoning, with reduced hallucination and sycophancy and strong performance on coding, writing, and health-related tasks.

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",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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