Claude Sonnet 4.6API
Balanced speed/quality — the everyday production workhorse, elite coding.
Input price
$1.20
per 1M tokens
Output price
$6.00
per 1M tokens
Prompt caching
Pass cache_control on a stable prefix and cache hits bill at a fraction of input. Cache writes bill at the plain input rate.
Auto-derived from input × 0.1
Specs
- Model ID
claude-sonnet-4-6- Endpoint
POST /v1/chat/completions- Category
- Text
- Provider
- Anthropic
- Capabilities
- visionfunctionstreamingthinking
Drop-in OpenAI compatibility
Point your existing OpenAI SDK at api.kunavo.com/v1 and swap the model id. No streaming changes, no SDK changes.
View docsClaude API pricing guideTry it
Set KUNAVO_API_KEY from /app/keys, then run any of the snippets below.
curl https://api.kunavo.com/v1/chat/completions \
-H "Authorization: Bearer $KUNAVO_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "claude-sonnet-4-6",
"messages": [
{"role": "user", "content": "Hello, Claude Sonnet 4.6"}
],
"stream": false
}'FAQ
How much does Claude Sonnet 4.6 cost?
On Kunavo, Claude Sonnet 4.6 is $1.20 per 1M input tokens and $6.00 per 1M output tokens — about 60% under Anthropic's official price. Failed requests are never billed, and it's pay-as-you-go — you only pay for successful calls.
Can I call Claude Sonnet 4.6 with the OpenAI SDK?
Yes. Set base_url to https://api.kunavo.com/v1, pass your Kunavo key, and set model to "claude-sonnet-4-6". Requests and responses are OpenAI-compatible; Claude is also available on the native /v1/messages endpoint.
What endpoint does Claude Sonnet 4.6 use?
Claude Sonnet 4.6 is called via POST /v1/chat/completions on Kunavo's OpenAI-compatible API.
What is Claude Sonnet 4.6 good for?
Claude Sonnet 4.6 is a text model from Anthropic, with support for vision, function, streaming, thinking.