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Chinese AI labs · Vision & multimodal

Kimi K3

Frontier long-context agent work where you can hit cache: the 10x cache-hit discount ($0.30 vs $3.00) matters far more than the headline rate, and $15 output makes it expensive for chatty workloads.

Open weights · Community or custom license · Data checked September 6, 2026 · Not a hands-on evaluation

Model ID kimi-k3

Parameters
2.8T total · 104B active2.8T total / 104B active MoE (896 experts, 16 active)
Architecture
Mixture of experts
Context window
1,048,576 tokensMaximum input
Max output
Not recordedPer response
Input price
$2.98 per 1M tokens
Output price
$14.90 per 1M tokens
Cached input
$0.30 per 1M tokens
Blended price
$5.96 per 1M tokens3:1 input to output
Knowledge cutoff
Not recorded
Released
2026-06
Status
gaFlagship in its lineup
Size band
120B and above

License and openness

Kimi K3 is released under the Kimi K3 License (custom, license_name kimi-k3 on Hugging Face). This is a community or custom license with its own conditions, which can include acceptable-use rules, user thresholds or naming requirements. Read it before commercial use. License terms can change between versions; confirm the text published with the weights you download.

Capabilities

Input modalitiestext, image, video
Output modalitiestext

What it is for

At a three-to-one input-to-output ratio, Kimi K3 costs $5.96 per million tokens blended. A workload of one million input and 330,000 output tokens per day would run about $236.91 per month at list price, before caching or batch discounts.

Cost at list price

Input$2.98 per 1M tokens
Output$14.90 per 1M tokens
Cached input$0.30 per 1M tokens
Blended, 3:1$5.96 per 1M tokens
Estimate a workload across all models ↗

Sources

Sources checked September 6, 2026. Specifications and prices change without notice; confirm against the provider before you commit.

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