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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Gemini
A
Flux (Black Forest Labs)
A
TaglineGoogle's answer. Best integrated with Workspace + free for a lot.Open weights + strong photorealism. The open-source answer.
Categorychatimage
PricingFree + $20/mo Advanced (bundled with 2TB Drive)API + open weights (Schnell is Apache 2.0)
Best forAnyone already on Google, research tasks, summarizing long documents.Developers + power users who want control and privacy.
Strengths
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
Weaknesses
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Harder to use than hosted tools
  • Needs infra
Kai's verdictA-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.A-tier. S-tier if you self-host. The reason open-source image gen matters.
LinkOpen →Open →