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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
Suno
S
Groq
S
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.Prompt to full song with vocals, instruments, the works.The fastest AI inference in the world. Crazy low latency.
Categorycodingaudiodev platform
PricingFree + $15/mo ProFree + $10/mo + $30/moFree tier + pay-as-you-go API
Best forDevelopers who want Cursor-like power for less money.Jingles, intros, demos, sketches, personal use.Developers who need sub-100ms LLM responses.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
Weaknesses
  • Smaller community
  • Model selection more limited
  • Copyright gray zone
  • Audio quality behind studio
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.S-tier in its category. The first AI music tool I'd actually listen to.S-tier for speed. When latency is the product, start here.
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