
claude-sonnet-4-6
Cheaper. More stable. One-stop API aggregation.
Claude Sonnet 4.6 is Anthropic's fast, capable default for most product workloads — writing, coding help, and conversational UX.
LumeAPI serves it at roughly 40% off official list ($1.80 / $9.00 per 1M in/out).
Use Sonnet as your day-to-day Claude model and reserve Opus for harder reasoning.
POST/v1/chat/completions
Base URL: https://api.lumeapi.site/v1
Auth: Authorization: Bearer <your-lumeapi-key>
Open the integration notes for this model, or the modality guide for request fields and polling.
curl https://api.lumeapi.site/v1/chat/completions \
-H "Authorization: Bearer $LUMEAPI_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "claude-sonnet-4-6",
"messages": [{"role":"user","content":"Hello"}]
}'