Opus 4.8 is Anthropic's most capable model in the Opus family, built for multi-step reasoning, complex coding, and long-horizon agentic work across large codebases.
curl https://conduit-api.aurixel.ai/v1/chat/completions \
-H "Authorization: Bearer ck-YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"claude-opus-4-8","messages":[{"role":"user","content":"Hello!"}]}'→ OpenAI-compatible. Add "stream": true (+ "stream_options":{"include_usage":true}) for SSE.
Reasoning effort: claude-opus-4-8-low / -medium / -high / -xhigh / -max, or the param reasoning_effort.
Reasoning effort supported
Append -low / -medium / -high / -xhigh to the model name and the gateway sets the reasoning_effort parameter automatically.