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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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Hume AI
A
GitHub Copilot
B
Claude Code
S
Figma AI
A
TaglineVoice AI that reads + expresses emotion.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Anthropic's CLI agent. Opus-powered, operates on your repo directly.AI features baked into the design tool you already use.
Categoryvoicecodingcodingdesign
PricingFree tier + pay-as-you-goFree (limited) + $10/mo Pro + $19/mo BusinessPart of Claude Pro/Max/Team plansIncluded with Figma plans
Best forTherapy apps, customer service, any voice agent where emotion matters.Teams with GitHub already. Devs who don't want to change IDEs.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Designers already on Figma.
Strengths
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • First drafts with Make Designs
  • Rename/rearrange layers automatically
  • Natural language asset search
Weaknesses
  • Niche use case
  • Pricing ramps fast
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Features vary by plan + region
  • Still rolling out
Kai's verdictA-tier in its niche. The only one that actually gets emotion right.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier. No reason not to use it if you're on Figma. Not worth switching for.
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