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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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Cursor
S
GitHub Copilot
B
Devin
A
Suno
S
TaglineVS Code fork that made AI coding actually work.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Cognition Labs' autonomous coding engineer.Prompt to full song with vocals, instruments, the works.
Categorycodingcodingagentsaudio
PricingFree + $20/mo Pro + $40/mo BusinessFree (limited) + $10/mo Pro + $19/mo Business$500/moFree + $10/mo + $30/mo
Best forDevelopers. Non-developers who want to ship working code.Teams with GitHub already. Devs who don't want to change IDEs.Engineering teams offloading tickets. Ops/platform work.Jingles, intros, demos, sketches, personal use.
Strengths
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
Weaknesses
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Copyright gray zone
  • Audio quality behind studio
Kai's verdictS-tier for coding. If you write code of any kind, this pays back the $20 in a day.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.S-tier in its category. The first AI music tool I'd actually listen to.
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