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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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Dev Platform
Agents
Voice
Video
Audio
Research
Coding
Chatbots
Image
Meetings
Design
Productivity
Writing
Data
Marketing
Education
OpenRouter
S
Google Veo
A
Rows
A
Hume AI
A
TaglineOne API, every model. Pay-as-you-go, no subscriptions.Google's video model. Baked into Gemini + YouTube Shorts.Spreadsheets with AI + live integrations baked in.Voice AI that reads + expresses emotion.
CategoryDev PlatformVideoDataVoice
PricingPay per token — model-dependentIncluded with Gemini Advanced $20/mo + YouTube creator toolsFree + $19-$89/user/moFree tier + pay-as-you-go
Best forDevelopers experimenting across models. Apps that want fallback logic.Gemini Advanced users, YouTube Shorts creators.Ops teams, marketers, anyone building dashboards from multiple sources.Therapy apps, customer service, any voice agent where emotion matters.
Strengths
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • 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
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
Weaknesses
  • Slight markup over direct API
  • Some provider features not exposed
  • 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
  • Niche use case
  • Pricing ramps fast
Kai's verdictS-tier for model-shopping. I use this for every prototype before committing.A-tier if you already pay Gemini. B-tier standalone.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier in its niche. The only one that actually gets emotion right.
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