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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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Rows
A
v0
S
Leonardo.ai
A
Gemini
A
TaglineSpreadsheets with AI + live integrations baked in.Vercel's AI-powered UI generator. Prompt to shadcn component.Gamer + creator image gen with model fine-tuning built in.Google's answer. Best integrated with Workspace + free for a lot.
CategoryDataDesignImageChatbots
PricingFree + $19-$89/user/moFree + $20/moFree + $12-$60/moFree + $20/mo Advanced (bundled with 2TB Drive)
Best forOps teams, marketers, anyone building dashboards from multiple sources.Frontend devs, PMs prototyping UIs, anyone on Next.js.Indie game devs, illustrators, anyone training custom style models.Anyone already on Google, research tasks, summarizing long documents.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Best for shadcn stack
  • Iterating can be fiddly
  • General output behind Midjourney
  • Can be overwhelming
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier. If you're on Vercel/shadcn, this is cheating.A-tier for creators training custom looks. B-tier for general use.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.
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