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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
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Data
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Rows
A
Sora
A
OpenRouter
S
Claude Agent SDK
S
TaglineSpreadsheets with AI + live integrations baked in.OpenAI's video model. Long clips, cinematic quality.One API, every model. Pay-as-you-go, no subscriptions.Anthropic's SDK for building your own agents on Claude.
CategoryDataVideoDev PlatformAgents
PricingFree + $19-$89/user/moIncluded with ChatGPT Plus/ProPay per token — model-dependentAPI usage + SDK is free
Best forOps teams, marketers, anyone building dashboards from multiple sources.ChatGPT subscribers experimenting with cinematic shots.Developers experimenting across models. Apps that want fallback logic.Developers building custom agents for their own company/product.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Slight markup over direct API
  • Some provider features not exposed
  • Developer-only
  • You build the UI
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.S-tier for model-shopping. I use this for every prototype before committing.S-tier for builders. The right primitives. What Kai is built on under the hood.
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