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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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Hume AI
A
Claude Code
S
Galileo AI
B
Gemini
A
TaglineVoice AI that reads + expresses emotion.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Prompt to UI design. Figma-ready outputs.Google's answer. Best integrated with Workspace + free for a lot.
CategoryVoiceCodingDesignChatbots
PricingFree tier + pay-as-you-goPart of Claude Pro/Max/Team plansFree trial + paid plansFree + $20/mo Advanced (bundled with 2TB Drive)
Best forTherapy apps, customer service, any voice agent where emotion matters.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Designers brainstorming first drafts.Anyone already on Google, research tasks, summarizing long documents.
Strengths
  • 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
  • Prompt-to-UI with real layouts
  • Exports to Figma
  • Faster than hand-designing from scratch
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
Weaknesses
  • Niche use case
  • Pricing ramps fast
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Output needs designer polish
  • Pricing unclear / changes often
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
Kai's verdictA-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. Useful for first drafts. v0 is the better bet for shipping code.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.
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