KaiAI tutor for anyone

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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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DeepSeek
S
Google Veo
A
Cursor
S
TaglineChinese open-weight powerhouse. Crazy cheap, genuinely smart.Google's video model. Baked into Gemini + YouTube Shorts.VS Code fork that made AI coding actually work.
CategoryChatbotsVideoCoding
PricingFree web + ultra-cheap API (~$0.14/M input tokens)Included with Gemini Advanced $20/mo + YouTube creator toolsFree + $20/mo Pro + $40/mo Business
Best forDevelopers + cost-conscious builders. Anyone fine with self-hosting.Gemini Advanced users, YouTube Shorts creators.Developers. Non-developers who want to ship working code.
Strengths
  • Open weights you can self-host
  • Strong reasoning + math
  • Near-free API pricing
  • DeepSeek-V3 / R1 are serious models
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
Weaknesses
  • Data goes to servers in China — privacy concerns for business use
  • Chinese policy filters
  • English polish trails Western models
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
  • Can feel overwhelming for non-coders
  • Expensive at scale
Kai's verdictS-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.A-tier if you already pay Gemini. B-tier standalone.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.
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