Kimi K2 Thinking API

Input / 1M tokens$0.44~~$0.50~~

Output / 1M tokens$1.85~~$2.10~~

LLMMoonshot12% below officialReasoning

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About Kimi K2 Thinking

Kimi K2 Thinking by Moonshot is available on API Many from $0.44 per million input tokens and $1.85 per million output tokens, and you call it with the same API key you use for every other model.

It accepts OpenAI-style chat requests with streaming and tools.

You pay only for successful results: failed or rejected requests are refunded automatically, and every call is recorded in your console with its exact cost.

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Frequently asked questions

How much does the Kimi K2 Thinking API cost?

Kimi K2 Thinking starts at $0.44 per million input tokens and $1.85 per million output tokens on API Many. The price table on this page lists every tier; you are charged only for successful requests.

How do I call Kimi K2 Thinking?

Create an API key in the console, then send a request to /v1/chat/completions with "model": "kimi-k2-thinking". The API tab has copy-ready examples in cURL, Python and Node.js.

Is this the official Kimi K2 Thinking model?

Yes. Requests are forwarded to the model maker or an authorized channel with the same parameters, so the output matches the official API.

What happens if a request fails?

Failed, rejected or timed-out requests are not charged. Reserved balance is released automatically and the reason is shown in the call record.