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Compare AI tools

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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Gamma
A
Hume AI
A
Claude Code
S
GitHub Copilot
B
TaglineAI slide decks that don't look AI-generated.Voice AI that reads + expresses emotion.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.
Categoryproductivityvoicecodingcoding
PricingFree + $10-$20/moFree tier + pay-as-you-goPart of Claude Pro/Max/Team plansFree (limited) + $10/mo Pro + $19/mo Business
Best forPitch decks, proposals, internal presentations — fast.Therapy apps, customer service, any voice agent where emotion matters.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Teams with GitHub already. Devs who don't want to change IDEs.
Strengths
  • Strong templates
  • Decks, docs, webpages
  • Doesn't look generic
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
Weaknesses
  • Locked into Gamma's format
  • Export quality varies
  • Niche use case
  • Pricing ramps fast
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Less agentic than Cursor/Claude Code
  • Model quality varies
Kai's verdictA-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.A-tier in its niche. The only one that actually gets emotion right.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.
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