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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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Perplexity
S
Lovable
A
GitHub Copilot
B
Runway
S
TaglineAI search done right. Cited answers, not chat theater.Build a full app from a prompt. Stripe-ready.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.The pro's AI video tool. Gen-4 is the current bar.
Categoryresearchdesigncodingvideo
PricingFree + $20/mo ProFree + $25-$100/moFree (limited) + $10/mo Pro + $19/mo BusinessFree + $15-$95/mo
Best forReplacing Google for any question where you want a cited answer in seconds.Non-devs + solopreneurs shipping MVPs.Teams with GitHub already. Devs who don't want to change IDEs.Marketing video, pitch decks, b-roll, creative shorts.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Generates full apps + DB + auth
  • Good for non-developers
  • Ships faster than hand-coding
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Most mature video workflow
  • Character consistency via Act-One
  • Gen-4 quality is production-grade
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Complexity ceiling
  • Can generate brittle code
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Expensive at scale
  • Still needs post-editing
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. The strongest 'no-code' AI builder right now. Great for founder MVPs.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier. Market leader with reason. Start here for serious video.
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