Tutujin API currently offers 48 Anthropic models (48 chat), pay-as-you-go with no monthly fee, callable through an OpenAI-compatible API.
Among token-billed models, the lowest input price is Claude Haiku 5.5 at ¥0.4 per 1M tokens (Claude Plus group).
Among per-request models, the cheapest is claude-3-5-sonnet-all at ¥0.128 per request (Economy (per token) group).
Prices updated Nov 12, 2026, 8:17 PM
Each row shows the model's cheapest group, in CNY. Prices in other groups are on the model's own page.
One Tutujin API key is all you need; the example uses Claude Haiku 5.5. Point base_url at https://open.tutujin.com/v1 and keep the rest of your official-SDK code.
curl https://open.tutujin.com/v1/chat/completions \
-H "Authorization: Bearer $TUTUJIN_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "claude-haiku-5-5",
"messages": [{"role": "user", "content": "Introduce yourself in one sentence"}]
}'You pay for actual usage, with no monthly fee or minimum spend. Token-billed models charge input and output tokens separately; per-request models charge per call. The same model costs different amounts in different groups; this page shows each model's cheapest group. Prices updated Nov 12, 2026, 8:17 PM.
Create an API key in the console, set your SDK's base_url to https://open.tutujin.com/v1 and use a model name from the table on this page. Anthropic models on this site support these endpoints: Chat Completions, Claude Messages.
Available groups: Standard, Official · Enterprise, Claude Direct, Claude List Price, Claude Plus, Claude Lite, Economy (per token). A group decides the line a key uses and the price it pays; you choose one for each API key when you create it.
We can issue overseas invoices: add our WeChat support JsnonoChat and send your order number. Chinese domestic invoices can be discussed case by case.