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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
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Google Veo
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Aider
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TaglineVoice AI that reads + expresses emotion.Google's video model. Baked into Gemini + YouTube Shorts.Spreadsheets with AI + live integrations baked in.Terminal-based AI pair programmer. Git-aware, model-flexible.
CategoryVoiceVideoDataCoding
PricingFree tier + pay-as-you-goIncluded with Gemini Advanced $20/mo + YouTube creator toolsFree + $19-$89/user/moFree (open source) + whatever API you use
Best forTherapy apps, customer service, any voice agent where emotion matters.Gemini Advanced users, YouTube Shorts creators.Ops teams, marketers, anyone building dashboards from multiple sources.Developers who want open-source tooling with full control.
Strengths
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Works in any terminal
  • Auto-commits changes with meaningful messages
  • Works with any model (Claude, GPT, local)
  • Minimal learning curve
Weaknesses
  • Niche use case
  • Pricing ramps fast
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Terminal-only
  • Less agentic than Claude Code
  • Setup on Windows is fiddly
Kai's verdictA-tier in its niche. The only one that actually gets emotion right.A-tier if you already pay Gemini. B-tier standalone.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. The right answer if you want open-source + terminal-native + model-agnostic.
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