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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
Gemini
A
Grammarly
A
v0
S
TaglineSpreadsheets with AI + live integrations baked in.Google's answer. Best integrated with Workspace + free for a lot.Grammar check + tone + AI drafting, everywhere you type.Vercel's AI-powered UI generator. Prompt to shadcn component.
CategoryDataChatbotsWritingDesign
PricingFree + $19-$89/user/moFree + $20/mo Advanced (bundled with 2TB Drive)Free + $12-$15/mo Premium + team plansFree + $20/mo
Best forOps teams, marketers, anyone building dashboards from multiple sources.Anyone already on Google, research tasks, summarizing long documents.Non-native English writers, business email, anyone who types a lot.Frontend devs, PMs prototyping UIs, anyone on Next.js.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • Works in every browser/app
  • Now has generative AI (GrammarlyGO)
  • Tone detection + suggestions
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Can feel naggy
  • Premium features gate basics
  • Privacy concerns (reads your writing)
  • Best for shadcn stack
  • Iterating can be fiddly
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.A-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone.S-tier. If you're on Vercel/shadcn, this is cheating.
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