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Windsurf
A
Hume AI
A
OpenRouter
S
Rows
A
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.Voice AI that reads + expresses emotion.One API, every model. Pay-as-you-go, no subscriptions.Spreadsheets with AI + live integrations baked in.
CategoryCodingVoiceDev PlatformData
PricingFree + $15/mo ProFree tier + pay-as-you-goPay per token — model-dependentFree + $19-$89/user/mo
Best forDevelopers who want Cursor-like power for less money.Therapy apps, customer service, any voice agent where emotion matters.Developers experimenting across models. Apps that want fallback logic.Ops teams, marketers, anyone building dashboards from multiple sources.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
  • 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
Weaknesses
  • Smaller community
  • Model selection more limited
  • Niche use case
  • Pricing ramps fast
  • Slight markup over direct API
  • Some provider features not exposed
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.A-tier in its niche. The only one that actually gets emotion right.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.
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