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Moonshot AI

Kimi

Chinese AI assistant famous for its 2M+ token context window and document chat.

Visit website Last reviewed 2026-05-09
Overall8.5
Value9.5
Accuracy8.5

Our verdict

Kimi rose to fame for being the first chatbot to comfortably handle book-length documents in a single chat. Its 2M-token context window is still among the largest available, and the product is tuned for the Chinese-language professional market: contracts, academic papers, financial reports.

For English-only workflows it is less compelling than ChatGPT or Claude, and like other Chinese assistants it has data-residency considerations for Western users. For Chinese-speaking knowledge workers it is hard to beat.

Pros

  • +Industry-leading 2M context window
  • +Excellent Chinese fluency and idioms
  • +Strong document Q&A workflow
  • +Generous free tier

Cons

  • English quality below frontier models
  • Limited international availability
  • Smaller plugin ecosystem

Capability scores

Text Generation
9
Code Generation
8
Image Understanding
7
Web Browsing
9
Multimodal
7
Long Context
10
Reasoning
8

Pricing

Free tier
Generous free chat
Paid plan
Kimi+: ¥99/month
API pricing
From ¥12/M input tokens
Enterprise
Custom

Best use cases

Long-document chatChinese-language workResearch

Best for

Chinese-speaking professionalsResearchersWriters

How we review: all scores on this page are set by our editorial team after hands-on testing. We do not accept payment for placement and do not earn affiliate commission from the vendor of Kimi. See our editorial policy for our full methodology.

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