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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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OpenRouter
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Hume AI
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Sora
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TaglineSpreadsheets with AI + live integrations baked in.One API, every model. Pay-as-you-go, no subscriptions.Voice AI that reads + expresses emotion.OpenAI's video model. Long clips, cinematic quality.
CategoryDataDev PlatformVoiceVideo
PricingFree + $19-$89/user/moPay per token — model-dependentFree tier + pay-as-you-goIncluded with ChatGPT Plus/Pro
Best forOps teams, marketers, anyone building dashboards from multiple sources.Developers experimenting across models. Apps that want fallback logic.Therapy apps, customer service, any voice agent where emotion matters.ChatGPT subscribers experimenting with cinematic shots.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Slight markup over direct API
  • Some provider features not exposed
  • Niche use case
  • Pricing ramps fast
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier for model-shopping. I use this for every prototype before committing.A-tier in its niche. The only one that actually gets emotion right.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.
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