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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
GitHub Copilot
B
Suno
S
TaglineCognition Labs' autonomous coding engineer.Build a full app from a prompt. Stripe-ready.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Prompt to full song with vocals, instruments, the works.
Categoryagentsdesigncodingaudio
Pricing$500/moFree + $25-$100/moFree (limited) + $10/mo Pro + $19/mo BusinessFree + $10/mo + $30/mo
Best forEngineering teams offloading tickets. Ops/platform work.Non-devs + solopreneurs shipping MVPs.Teams with GitHub already. Devs who don't want to change IDEs.Jingles, intros, demos, sketches, personal use.
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
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Complexity ceiling
  • Can generate brittle code
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Copyright gray zone
  • Audio quality behind studio
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.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier in its category. The first AI music tool I'd actually listen to.
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