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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S
Rows
A
DeepSeek
S
Luma Dream Machine
A
TaglineAI search done right. Cited answers, not chat theater.Spreadsheets with AI + live integrations baked in.Chinese open-weight powerhouse. Crazy cheap, genuinely smart.Smooth, cinematic motion. Image-to-video specialist.
CategoryResearchDataChatbotsVideo
PricingFree + $20/mo ProFree + $19-$89/user/moFree web + ultra-cheap API (~$0.14/M input tokens)Free + $10-$500/mo
Best forReplacing Google for any question where you want a cited answer in seconds.Ops teams, marketers, anyone building dashboards from multiple sources.Developers + cost-conscious builders. Anyone fine with self-hosting.Photographers animating stills, cinematic b-roll.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Open weights you can self-host
  • Strong reasoning + math
  • Near-free API pricing
  • DeepSeek-V3 / R1 are serious models
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Data goes to servers in China — privacy concerns for business use
  • Chinese policy filters
  • English polish trails Western models
  • Prompt fidelity below Runway
  • Queue times on free tier
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.
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