Anthropictext

Claude Opus 5

Anthropic's top-tier Claude for demanding reasoning, long-context analysis, and extended coding workloads.

claude-opus-5

Quickstart

Call this model

Chat completion

curl https://infer-api-test-46cc90.worldrouter.ai/v1/chat/completions \
  -H "Authorization: Bearer your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-opus-5",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'