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HomeModelsKimi K3

Moonshot AI model product

Kimi K3

Kimi K3 is Moonshot AI's flagship open Mixture-of-Experts model for long-horizon coding, knowledge work, and reasoning. It has 2.8 trillion total parameters, activates 16 of 896 experts, and combines Kimi Delta Attention, Attention Residuals, and Stable LatentMoE. The model supports a 1M-token context window, native image and video understanding, tool calling, structured output, and always-on reasoning with max thinking effort at launch.

Updated Aug 10, 2026. Default version: Kimi K3

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LLMBoard scoreN/ANot scored
CoverageN/ANo published score
Context window1MTokens
Official input price$3Moonshot AI API

On this page

  • Specification
  • Capability
  • Benchmarks
  • Arena
  • Pricing
  • Versions
  • About
  • Similar models
  • FAQ

Model specification

Structured fields from the published default version.

Version
Kimi K3
Released
Jul 16, 2026
Knowledge cutoff
Unknown
Parameters
2.8T
Context window
1M
Max output
131.1K
Inputs
image, text, video
Outputs
text
Open weights
Yes
License
Kimi K3 License

Capability profile

This profile uses the latest version under this unique model that has a calculated LLMBoard score. Arena and price are excluded.

No capability profile

No published version under this unique model currently has enough benchmark coverage to calculate a score.

Benchmark results

Published benchmark records for the scored version currently unavailable.

No benchmark rows

No published benchmark result is linked to the scored version.

Arena results

Preference and agent-evaluation signals from published Arena datasets.

No published Arena match

The default version has no published Arena rows, or its source alias has not been resolved.

Pricing

Official vendor API PAYG pricing is summarized first. The table then lists individual provider offerings without treating their minimum as the official price.

Official API
$3 input, $15 output per 1M
Official provider
Moonshot AI
Lowest third-party
From $2 input, $8 output per 1M via CrofAI
Tracked offerings
18
17 rows
Columns

Show columns

Kenarikimi-k3globalN/AN/A1MAug 7, 2026
GitHub Copilotkimi-k3global$0.95$41MAug 7, 2026
CrofAIkimi-k3global$2$81MAug 7, 2026
Requestykimi-k3global$2.25$11.251MAug 7, 2026
OpenCode Gokimi-k3global$3$151MAug 7, 2026
LLM Gatewaykimi-k3global$3$151MAug 7, 2026
OpenCode Zenkimi-k3global$3$151MAug 7, 2026
EmpirioLabs AIkimi-k3global$3$151MAug 7, 2026
DigitalOceankimi-k3global$3$151MAug 7, 2026
Moonshot AI (China)kimi-k3global$3$151MAug 7, 2026
Neuralwattkimi-k3global$3$151MAug 7, 2026
AIHubMixkimi-k3global$3$151MAug 7, 2026
Moonshot AIkimi-k3global$3$151MAug 7, 2026
Cortecskimi-k3global$3$151MAug 7, 2026
Charm Hyperkimi-k3global$3.27$16.331MAug 7, 2026
Venice AIkimi-k3global$3.75$18.751MAug 7, 2026
GreenPTkimi-k3global$3.76$18.811MAug 7, 2026

Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.

Kimi K3 versions

All published versions linked to this unique model. The score columns identify the version used by the current overall ranking.

1 rows
Columns

Show columns

Kimi K3Jul 16, 2026N/A2.8T1M131.1KYesKimi K3 License

What is Kimi K3?

A concise description based on the published model registry.

Kimi K3 is Moonshot AI's flagship open Mixture-of-Experts model for long-horizon coding, knowledge work, and reasoning. It has 2.8 trillion total parameters, activates 16 of 896 experts, and combines Kimi Delta Attention, Attention Residuals, and Stable LatentMoE. The model supports a 1M-token context window, native image and video understanding, tool calling, structured output, and always-on reasoning with max thinking effort at launch.

Use the benchmark, Arena and pricing sections above as separate evidence. A missing field means the current data snapshot does not support that claim.

Data snapshot: 2026-08-07. Editorial model content is not available in the backend.

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FAQ

Common questions about Kimi K3.

When was Kimi K3 released?

Kimi K3's default version was released on Jul 16, 2026.

How much does Kimi K3 cost?

Kimi K3's official API price is $3 per million input tokens and $15 per million output tokens via Moonshot AI. The lowest tracked third-party offer starts at $2 input and $8 output via CrofAI.

Who created Kimi K3?

Kimi K3 is published under Moonshot AI in the model registry.

What is the context window for Kimi K3?

The default version has a 1M token context window.

Is Kimi K3 open weight?

Yes. The default version is marked as open weight under Kimi K3 License.

How many API providers offer Kimi K3?

18 published provider offerings are linked to the default version.

What models should I compare Kimi K3 with?

No nearby ranked alternatives are currently available.

Rankings

OverallCodingText ArenaPricing

Modalities

Image GenerationVideo GenerationSpeech-to-TextEmbeddings

Benchmarks

All BenchmarksReasoningMathCoding

Vendors

All VendorsOpenAIAnthropicGoogle
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