Moonshot AI

Kimi K3 — Benchmark Scores, Pricing & Performance Analysis

OPEN SOURCEMoonshot AI
Input Cost
$2.6/1M
Output Cost
$13.3/1M
Context Window
1.0M
Max Output
131K
Accepts
text, image, video

Kimi K3 is an AI model by Moonshot AI. View detailed benchmark scores, pricing data, and performance metrics on Serenities AI Models.

Specifications last checked against the provider on . Benchmark scores carry their own source, linked beside each number.

General Benchmarks

AA Intelligence Index
43.88th of 66

Artificial Analysis composite intelligence score across 10 sub-benchmarks

Artificial Analysis (via OpenRouter)

Coding Benchmarks

Design Arena ELO
13771st of 120

Human preference ELO for building things — websites, UI, games, charts, SVG

Design Arena (via OpenRouter)
AA Coding Index
76.29th of 96

Artificial Analysis composite coding score

Artificial Analysis (via OpenRouter)
Website Arena ELO
13522nd of 108

Human preference ELO for building a working web page from a brief

Design Arena (via OpenRouter)

Reasoning Benchmarks

AA Agentic Index
50.68th of 70

Artificial Analysis composite score for multi-step tool-using tasks

Artificial Analysis (via OpenRouter)
GPQA Diamond
91.5%10th of 140

Graduate-level science Q&A by domain experts

Papers
τ²-Bench Airline
70.9%47th of 93

Multi-turn service agent making tool calls under strict policy constraints

OpenRouter (measured)

Cost Benchmarks

Output Cost
$13.3363rd of 413

Cost per 1M output tokens

OpenRouter API
Input Cost
$2.6371st of 413

Cost per 1M input tokens

OpenRouter API
Cached Input Cost
$0.30117th of 136

Cost per 1M cached input tokens — the price that actually applies to a long agent conversation

OpenRouter API

Context Benchmarks

Context Length
1.0M18th of 451

Maximum context window size

OpenRouter API

Available from 64 providers

The same model costs different amounts depending on who serves it. You can bring your own key for 8 of these — connect it here.

ProviderInput / 1MOutput / 1MCached inContextYour key
Kenari$0$01.0M
Kimi For Coding$0$0$01.0M
Nvidia$0$01.0M
SCNet Token Plan$0$0$01.0M
SenseNova (China)$0$0$01.0M
Umans AI Coding Plan$0$0$01.0M
Volcengine Ark Coding Plan$0$0$01.0M
ZenMux$0$0$01.0M
CrofAI$2$8$0.251.0M
NanoGPT$2$10$0.21.0M
Vancine$2.4$12$0.241.0M
DigitalOcean$2.55$12.95$0.2851.0M
OpenRouter$2.648138$13.282724$0.3026441.0MSupported
Deep Infra$2.85$14.25$0.2851.0MSupported
Merge Gateway$2.9$14$0.31.0M
302.AI$3$151.0M
Abacus$3$15$0.31.0M
ai&$3$12.5$0.51.0M
AIHubMix$3$15$0.31.0M
Arcee$3$15$0.31.0M
Baseten$3$151.0MSupported
Berget.AI$3$15328K
ClinePass$3$15$0.31.0M
Cloudflare AI Gateway$3$15$0.31.0M
CoralBricks$3$15$01.0M
Cortecs$3$14.9991.0M
CrossModel$3$15$0.31.0M
Eden AI$3$15$0.31.0M
EmpirioLabs AI$3$15$31.0M
Fireworks AI$3$15$0.31.0MSupported
GitHub Copilot$3$15$0.31.0M
Hugging Face$3$151.0MSupported
Impossibl$3$15$0.31.0M
Jalapeno Cloud$3$151.0M
Kilo Gateway$3$15$0.31.0M
LLM Gateway$3$15$0.31.0M
Modal$3$15$0.31.0M
Moonshot AI$3$15$0.31.0MSupported
Moonshot AI (China)$3$15$0.31.0M
Nebius Token Factory$3$15$31.0M
Neon$3$15$0.31.0M
Neuralwatt$3$15$0.31.0M
NovitaAI$3$15$0.31.0M
Ofox$3$15$0.31.0M
OpenCode Go$3$15$0.31.0M
OpenCode Zen$3$15$0.31.0M
Opper$3$15$0.31.0M
Perplexity Agent$3$15$0.31.0M
Pioneer$3$15$0.31.0M
Requesty$3$15$0.451.0M
Synthetic$3$15$0.45524K
TensorX$3$15$0.751.0M
Together AI$3$15$0.31.0MSupported
TokenGo$3$15$0.31.0M
Umans AI$3$15$0.31.0M
Vercel AI Gateway$3$15$0.31.0MSupported
Vivgrid$3$15$0.31.0M
Charm Hyper$3.2664$16.332$0.326641.0M
OrcaRouter$3.3$16.5$0.331.0M
Venice AI$3.75$18.75$0.3751.0M
GreenPT$3.762$18.81$0.94051.0M
Tinfoil$4$20$0.8262K
DevPass (LLM Gateway)$4.5$22.5$0.451.0M
Ollama Cloud1.0M

Kimi K3 — Benchmark Scores Overview

Scores normalized to percentage scale for visual comparison. ELO scores mapped to 0-100 range (1100-1500).

Kimi K3 — Frequently Asked Questions

How much does Kimi K3 cost?

Kimi K3 costs $2.6 per 1M input tokens and $13.3 per 1M output tokens. This is mid-range pricing for its capability level.

What is the context window of Kimi K3?

Kimi K3 has a context window of 1.0M tokens. This determines how much text, conversation history, and code the model can process in a single request.

Who created Kimi K3?

Kimi K3 was created by Moonshot AI. It is classified as a open source model in our catalogue.

Is Kimi K3 open source?

Yes, Kimi K3 is an open-source model. The model weights are publicly available for download and self-hosting.