All ModelschatClaude Opus 5

Claude Opus 5

Name: Claude Opus 5
Availability: InStock
Author: Anthropic

by AnthropicPremium

Try on Kunya

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Claude Opus 5

Most capable Opus — complex agentic coding, deep reasoning, and long-horizon enterprise work with 1M context

Model ID:claude-opus-5

API Documentation

Generate chat completions with this model.

POST/api/v1/chat/completions

GET /api/v1/models?type=chat

Request body

{
  "model": "claude-opus-5",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ],
  "stream": false,
  "thinking": true,
  "max_tokens": 4096
}

cURL example

curl -X POST https://kunya.ai/api/v1/chat/completions \
  -H "Authorization: Bearer kunya_YOUR_API_KEY" \
  -H "Content-Type: application/json"
  -d '{"model":"claude-opus-5","messages":[{"role":"user","content":"Hello!"}],"stream":false,"thinking":true,"max_tokens":4096}'

Notes

•OpenAI-compatible endpoint — works with any Kunya API key.
•Set `"stream": true` for server-sent events.
•Supports vision: pass image URLs in message content as `{ "type": "image_url", "image_url": { "url": "..." } }`.
•Supports tool calling via the `tools` parameter.

Full API reference OpenAPI spec