Kimi K3 Pricing & API

Official token pricing and a calculator to estimate your real spend.

Official API pricing

TierPrice per 1M tokens
Cache-hit input$0.30
Cache-miss input$3.00
Output$15.00

Estimate your cost

Use the Kimi K3 Token Cost Calculator to model spend from your input/output volumes and cache-hit ratio.

How to get API access

Select kimi-k3 on the Kimi API Platform. See the API guide for request formats and tips.

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Frequently Asked Questions

How much does the Kimi K3 API cost?

Official pricing is $0.30 per million cache-hit input tokens, $3.00 per million cache-miss input tokens, and $15.00 per million output tokens.

Does caching reduce Kimi K3 cost?

Yes. Cache-hit input is $0.30/MTok versus $3.00/MTok for cache-miss input. The official API reports cache hit rates above 90% on coding workloads.

Is Kimi K3 cheaper than GPT-5.6 Sol?

K3's list prices are close to Claude Sonnet 5's standard rate and roughly in line with frontier Western models — no longer the budget option K2 was.