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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
Claude Agent SDK
S
Suno
S
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.Anthropic's SDK for building your own agents on Claude.Prompt to full song with vocals, instruments, the works.
Categorycodingagentsaudio
PricingFree + $15/mo ProAPI usage + SDK is freeFree + $10/mo + $30/mo
Best forDevelopers who want Cursor-like power for less money.Developers building custom agents for their own company/product.Jingles, intros, demos, sketches, personal use.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
Weaknesses
  • Smaller community
  • Model selection more limited
  • Developer-only
  • You build the UI
  • Copyright gray zone
  • Audio quality behind studio
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.S-tier for builders. The right primitives. What Kai is built on under the hood.S-tier in its category. The first AI music tool I'd actually listen to.
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