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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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Gemini
A
Rows
A
Sora
A
Claude Agent SDK
S
TaglineGoogle's answer. Best integrated with Workspace + free for a lot.Spreadsheets with AI + live integrations baked in.OpenAI's video model. Long clips, cinematic quality.Anthropic's SDK for building your own agents on Claude.
CategoryChatbotsDataVideoAgents
PricingFree + $20/mo Advanced (bundled with 2TB Drive)Free + $19-$89/user/moIncluded with ChatGPT Plus/ProAPI usage + SDK is free
Best forAnyone already on Google, research tasks, summarizing long documents.Ops teams, marketers, anyone building dashboards from multiple sources.ChatGPT subscribers experimenting with cinematic shots.Developers building custom agents for their own company/product.
Strengths
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • 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
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
Weaknesses
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • 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
  • Developer-only
  • You build the UI
Kai's verdictA-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.A-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 builders. The right primitives. What Kai is built on under the hood.
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