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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
Cline
A
Lovable
A
Stable Audio
A
TaglineCognition Labs' autonomous coding engineer.Open-source VS Code agent. Reads + writes + runs.Build a full app from a prompt. Stripe-ready.Stability AI's open audio model. Loops + SFX + background.
CategoryAgentsCodingDesignAudio
Pricing$500/moFree (open source) + your API costsFree + $25-$100/moFree + $12/mo Pro + enterprise
Best forEngineering teams offloading tickets. Ops/platform work.VS Code users who want agentic coding without changing IDEs.Non-devs + solopreneurs shipping MVPs.Game developers, podcasters needing SFX, video creators needing background music.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Generates full apps + DB + auth
  • Good for non-developers
  • Ships faster than hand-coding
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Complexity ceiling
  • Can generate brittle code
  • Not for full songs with vocals
  • Shorter generation limits
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.A-tier. Best free agentic option in VS Code. Use with Claude for best results.A-tier. The strongest 'no-code' AI builder right now. Great for founder MVPs.A-tier for its niche. Different use case than Suno — SFX and loops, not songs.
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