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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
OpenRouter
S
Rows
A
Udio
A
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.One API, every model. Pay-as-you-go, no subscriptions.Spreadsheets with AI + live integrations baked in.Suno's main rival. Often better on instrumental nuance.
CategoryCodingDev PlatformDataAudio
PricingFree + $15/mo ProPay per token — model-dependentFree + $19-$89/user/moFree + $10-$30/mo
Best forDevelopers who want Cursor-like power for less money.Developers experimenting across models. Apps that want fallback logic.Ops teams, marketers, anyone building dashboards from multiple sources.Musicians comparing AI outputs. Anyone who didn't click with Suno.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Strong instrumentals + genre fidelity
  • Extend/remix features
  • Good lyric understanding
Weaknesses
  • Smaller community
  • Model selection more limited
  • Slight markup over direct API
  • Some provider features not exposed
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Same copyright gray zone as Suno
  • Ecosystem smaller
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.S-tier for model-shopping. I use this for every prototype before committing.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. Genuinely different vibe from Suno — worth trying both for a month.
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