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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
Claude Code
S
Stable Audio
A
Udio
A
TaglineCognition Labs' autonomous coding engineer.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Stability AI's open audio model. Loops + SFX + background.Suno's main rival. Often better on instrumental nuance.
CategoryAgentsCodingAudioAudio
Pricing$500/moPart of Claude Pro/Max/Team plansFree + $12/mo Pro + enterpriseFree + $10-$30/mo
Best forEngineering teams offloading tickets. Ops/platform work.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Game developers, podcasters needing SFX, video creators needing background music.Musicians comparing AI outputs. Anyone who didn't click with Suno.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
  • Strong instrumentals + genre fidelity
  • Extend/remix features
  • Good lyric understanding
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Not for full songs with vocals
  • Shorter generation limits
  • Same copyright gray zone as Suno
  • Ecosystem smaller
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier for its niche. Different use case than Suno — SFX and loops, not songs.A-tier. Genuinely different vibe from Suno — worth trying both for a month.
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