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Kimi K3

KimivK3Current
byMoonshot AIMoonshot AI(ai lab)
73
OpenTools Scorenormalized /100
8.1
Valuescore / $M
OpenTools Score
Context1.0M tokens
Price (In / Out)$3.00/M / $15.00/M
CategoryLarge Language Model
Max Output131.1K tokens

About Kimi K3

Kimi K3 is Moonshot AI open-weight 2.8T-parameter flagship model for long-horizon coding, end-to-end knowledge work, reasoning, and native multimodal understanding. Official Kimi documentation lists the API model ID kimi-k3, a 1M-token context window, automatic context caching, tool calls, JSON mode, structured outputs, and always-on reasoning effort controls.

Capabilities

textvisionreasoningcodingtool usestructured outputjson modelong contextagentic

Input Modalities

textimage

Output Modalities

text

Technical Details

API Identifier
kimi-k3
Category
Large Language Model
Context Window
1,048,576 tokens
Max Output Tokens
131,072 tokens

Tags

reasoningcodinglong-contextmultimodalopen-weightagentic

Benchmarks

Performance scores for Kimi K3 across standard benchmarks.

Artificial Analysis Intelligence IndexArtificial Analysis · Jul 2026
57%
AA-BriefcaseArtificial Analysis · Jul 2026
1543%
AA-Briefcase Rubric Pass RateArtificial Analysis · Jul 2026
51%

Pricing

Token pricing for Kimi K3 API usage.

Input Tokens

$3.00/M

per million tokens

Output Tokens

$15.00/M

per million tokens

Pricing Calculator

Input cost$3.00
Output cost$7.50
Estimated monthly cost$10.50

Official Kimi pricing lists kimi-k3 at $3.00 per 1M cache-miss input tokens, $0.30 per 1M cache-hit input tokens, and $15.00 per 1M output tokens. Official troubleshooting docs say max_completion_tokens defaults to 131,072 and maximum output length is 1024*1024 minus prompt tokens.

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Long-context Kimi models and AI assistant platform

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