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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
Manus
S
Udio
A
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.Autonomous AI agent that actually finishes tasks.Suno's main rival. Often better on instrumental nuance.
Categorycodingagentsaudio
PricingFree + $15/mo ProFree tier + $39-$199/moFree + $10-$30/mo
Best forDevelopers who want Cursor-like power for less money.People who want to hand off tasks entirely — trip planning, research, spreadsheet building.Musicians comparing AI outputs. Anyone who didn't click with Suno.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
  • Strong instrumentals + genre fidelity
  • Extend/remix features
  • Good lyric understanding
Weaknesses
  • Smaller community
  • Model selection more limited
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
  • Same copyright gray zone as Suno
  • Ecosystem smaller
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.S-tier in the agent category. The first one I'd give to a non-technical friend.A-tier. Genuinely different vibe from Suno — worth trying both for a month.
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