Claude Opus 5

claude-opus-5

Latest Claude Opus. Deep reasoning, agentic coding, and 1M-token context.

Try in Playground API docs

Drop-in OpenAI compatibility

Use one model ID.

Python

from openai import OpenAI

client = OpenAI(
    base_url="https://api.text-generator.io/v1",
    api_key="YOUR_TEXT_GENERATOR_KEY",
)

response = client.chat.completions.create(
    model="claude-opus-5",
    messages=[{"role": "user", "content": "Hello"}],
)

Resilient by default

Configured fallback path

Claude Opus 5Claude Opus 4.8Claude Opus via OpenRouter