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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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Devin
A
Lovable
A
Rows
A
Bolt.new (StackBlitz)
A
TaglineCognition Labs' autonomous coding engineer.Build a full app from a prompt. Stripe-ready.Spreadsheets with AI + live integrations baked in.Prompt to deployed full-stack app in the browser.
CategoryAgentsDesignDataCoding
Pricing$500/moFree + $25-$100/moFree + $19-$89/user/moFree + $20-$200/mo
Best forEngineering teams offloading tickets. Ops/platform work.Non-devs + solopreneurs shipping MVPs.Ops teams, marketers, anyone building dashboards from multiple sources.PMs, founders, non-devs shipping MVPs.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Generates full apps + DB + auth
  • Good for non-developers
  • Ships faster than hand-coding
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Full-stack generation + live preview
  • Deploy to Netlify in one click
  • Works in-browser — no install
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Complexity ceiling
  • Can generate brittle code
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Quality ceiling for complex apps
  • Can get into loops for non-trivial bugs
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.A-tier. The strongest 'no-code' AI builder right now. Great for founder MVPs.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. Best for fast prototypes. Competitive with Lovable — try both.
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