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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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GitHub Copilot
B
Rows
A
Hume AI
A
Bolt.new (StackBlitz)
A
TaglineMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Spreadsheets with AI + live integrations baked in.Voice AI that reads + expresses emotion.Prompt to deployed full-stack app in the browser.
Categorycodingdatavoicecoding
PricingFree (limited) + $10/mo Pro + $19/mo BusinessFree + $19-$89/user/moFree tier + pay-as-you-goFree + $20-$200/mo
Best forTeams with GitHub already. Devs who don't want to change IDEs.Ops teams, marketers, anyone building dashboards from multiple sources.Therapy apps, customer service, any voice agent where emotion matters.PMs, founders, non-devs shipping MVPs.
Strengths
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
  • Full-stack generation + live preview
  • Deploy to Netlify in one click
  • Works in-browser — no install
Weaknesses
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Niche use case
  • Pricing ramps fast
  • Quality ceiling for complex apps
  • Can get into loops for non-trivial bugs
Kai's verdictB-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier in its niche. The only one that actually gets emotion right.A-tier. Best for fast prototypes. Competitive with Lovable — try both.
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