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Kimi

Moonshot AILarge Language ModelProprietary

Chinese AI model with one of the longest context windows available — up to 2M tokens. Strong multilingual capabilities with a focus on long-document understanding.

Abilities

Text GenerationCode GenerationReasoningLong ContextMultilingualVision

Use Cases

ResearchData AnalysisContent WritingChatbotEducation

Available in Tools

Availability

How to Use

Use Kimi directly at kimi.ai or access via the Moonshot API. OpenAI-compatible API format. Free tier available.

Pros

  • 2M token context window — one of the longest available for processing massive documents
  • Strong performance on Chinese and English language tasks
  • Free web access with generous usage limits
  • OpenAI-compatible API — easy integration for existing projects
  • Vision capabilities — can process images alongside text

Cons

  • Less well-known outside Asia — smaller global community
  • API documentation primarily in Chinese
  • Closed source — no self-hosting option
  • Data processing may be subject to Chinese regulations
  • Quality can be inconsistent on non-Chinese/English languages

What to Use It For

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Perfect For

Ultra-long document analysis

2M context window handles entire books, legal corpora, and massive codebases in a single prompt

Chinese language tasks

Native Chinese training gives it an edge over Western models for Chinese text processing

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Good For

Research and literature review

Massive context allows processing multiple papers or chapters at once

Bilingual Chinese-English work

Strong in both languages with good translation capabilities

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Not Recommended

European language tasks

Training focused on Chinese and English — European languages are secondary

Try instead: Mistral Large

Enterprise deployments in EU/US

Data residency and regulatory concerns for Western enterprise use

Try instead: GPT-4.1, Claude Opus 4

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Do Not Use For

Self-hosting or offline use

Closed source with no available weights

Try instead: Llama 4 Maverick

Image generation

LLM only — cannot generate images

Try instead: FLUX.1

Technical Details

PricingFree tier, API from ~$1.40 / 1M tokens
ParametersUndisclosed
detail.contextWindow2M tokens

Links