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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
v0
S
Replicate
S
Rows
A
TaglineGoogle's answer. Best integrated with Workspace + free for a lot.Vercel's AI-powered UI generator. Prompt to shadcn component.Run any open-source AI model with an API call.Spreadsheets with AI + live integrations baked in.
CategoryChatbotsDesignDev PlatformData
PricingFree + $20/mo Advanced (bundled with 2TB Drive)Free + $20/moPay per second of computeFree + $19-$89/user/mo
Best forAnyone already on Google, research tasks, summarizing long documents.Frontend devs, PMs prototyping UIs, anyone on Next.js.Developers using open-source models (Flux, SDXL, Whisper, etc).Ops teams, marketers, anyone building dashboards from multiple sources.
Strengths
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
Weaknesses
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Best for shadcn stack
  • Iterating can be fiddly
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
Kai's verdictA-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.S-tier. If you're on Vercel/shadcn, this is cheating.S-tier for open-source model APIs. The default in this space.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.
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