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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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DeepSeek
S
Rows
A
Runway
S
TaglineChinese open-weight powerhouse. Crazy cheap, genuinely smart.Spreadsheets with AI + live integrations baked in.The pro's AI video tool. Gen-4 is the current bar.
CategoryChatbotsDataVideo
PricingFree web + ultra-cheap API (~$0.14/M input tokens)Free + $19-$89/user/moFree + $15-$95/mo
Best forDevelopers + cost-conscious builders. Anyone fine with self-hosting.Ops teams, marketers, anyone building dashboards from multiple sources.Marketing video, pitch decks, b-roll, creative shorts.
Strengths
  • Open weights you can self-host
  • Strong reasoning + math
  • Near-free API pricing
  • DeepSeek-V3 / R1 are serious models
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Most mature video workflow
  • Character consistency via Act-One
  • Gen-4 quality is production-grade
Weaknesses
  • Data goes to servers in China — privacy concerns for business use
  • Chinese policy filters
  • English polish trails Western models
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Expensive at scale
  • Still needs post-editing
Kai's verdictS-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier. Market leader with reason. Start here for serious video.
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