TopxAI · Model prices · Moonshot AI
Kimi K3 API pricing
Model id kimi-k3. $2.4 input / $12 output per 1M tokens on the lowest-priced route; every route is listed below. Prices are fixed in USD, charged from prepaid credit, and every request writes one usage-log row with the route and the charge.
Kimi K3 by Moonshot AI: 1M-token context model for coding and agentic work, served on one official line at 80% of the Moonshot list price.
Prices by route
| Route | Input (USD / 1M tokens) | Output (USD / 1M tokens) | Cache read (USD / 1M tokens) | Cache write (USD / 1M tokens) | Cache write (1h) (USD / 1M tokens) |
|---|
| Provider list price (checked 2026-09-18) | $3 | $15 | $0.3 | — | — |
| Official line | $2.4 | $12 | $0.24 | $2.4 | $2.4 |
Input, output and cache lanes bill per million tokens. A whole-request long-context row applies once the input context of a request reaches the threshold shown. An Auto-route key sends each request to the lowest-priced route that serves the model.
Endpoints
POST /v1/chat/completions: OpenAI Chat Completions (Bearer)
Call kimi-k3
Base URL https://ai.topxea.com/v1 for OpenAI-style SDKs, https://ai.topxea.com for the Anthropic SDK; the API key goes where the provider's key would go.
curl https://ai.topxea.com/v1/chat/completions \
-H "Authorization: Bearer $TOPXAI_API_KEY" \
-H "content-type: application/json" \
-d '{"model": "kimi-k3", "messages": [{"role": "user", "content": "Say hello in one sentence."}]}'
Related
Get an API key · Docs · Blog · About TopxAI