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Kimi K3.1 Pro

open source

Moonshot AI model, released 23 Oct 2026.

$2.00
per 1M input tokens
$10.00
per 1M output tokens
$0.2
per 1M cached-read tokens
Calculate what your real prompts cost on Kimi K3.1 Pro

Price history

Price stable since we started tracking (23 Oct 2026). History will chart here as soon as it moves.

Specifications

Lab
Moonshot AI
Released
23 Oct 2026
Context window
1.0M tokens
Max output
944k tokens
Input modalities
text, image, video
Output modalities
text
Knowledge cutoff
—
Open source
Yes

Frequently asked questions

How much does Kimi K3.1 Pro cost?

Kimi K3.1 Pro costs $2.00 per 1M input tokens and $10.00 per 1M output tokens (list price, updated every 6 hours).

What is Kimi K3.1 Pro's context window?

Kimi K3.1 Pro supports a 1.0M-token context window with up to 944k output tokens.

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