Anthropic's mainstream model for most production workloads — strong reasoning and coding with a 1M-token context, priced well below Opus. The default for high-volume product surfaces.
Every rate is 50% of the provider's official list price. USD per million tokens.
| Token type | List price | Tokenless |
|---|---|---|
| Input | $3.00 | $1.50 |
| Output | $15.00 | $7.50 |
| Cache write | $3.75 | $1.88 |
| Cache read | $0.30 | $0.15 |
Tokenless speaks the OpenAI Chat Completions format. Point your client at the base URL, set model to sonnet-4.6, and you are done.
curl https://api.tokenless.store/api/v1/chat/completions \
-H "Authorization: Bearer $TOKENLESS_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "sonnet-4.6",
"messages": [{ "role": "user", "content": "Hello" }]
}'