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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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Windsurf
A
Cursor
S
Devin
A
Suno
S
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.VS Code fork that made AI coding actually work.Cognition Labs' autonomous coding engineer.Prompt to full song with vocals, instruments, the works.
Categorycodingcodingagentsaudio
PricingFree + $15/mo ProFree + $20/mo Pro + $40/mo Business$500/moFree + $10/mo + $30/mo
Best forDevelopers who want Cursor-like power for less money.Developers. Non-developers who want to ship working code.Engineering teams offloading tickets. Ops/platform work.Jingles, intros, demos, sketches, personal use.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • 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
  • Smaller community
  • Model selection more limited
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Copyright gray zone
  • Audio quality behind studio
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.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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