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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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Stable Audio
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Devin
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TaglineSpreadsheets with AI + live integrations baked in.Open-source VS Code agent. Reads + writes + runs.Stability AI's open audio model. Loops + SFX + background.Cognition Labs' autonomous coding engineer.
CategoryDataCodingAudioAgents
PricingFree + $19-$89/user/moFree (open source) + your API costsFree + $12/mo Pro + enterprise$500/mo
Best forOps teams, marketers, anyone building dashboards from multiple sources.VS Code users who want agentic coding without changing IDEs.Game developers, podcasters needing SFX, video creators needing background music.Engineering teams offloading tickets. Ops/platform work.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Not for full songs with vocals
  • Shorter generation limits
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. Best free agentic option in VS Code. Use with Claude for best results.A-tier for its niche. Different use case than Suno — SFX and loops, not songs.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.
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