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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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Agents
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Gamma
A
HeyGen
S
Rows
A
Lex
A
TaglineAI slide decks that don't look AI-generated.AI avatar videos. Record once, speak any language.Spreadsheets with AI + live integrations baked in.Google Docs with an AI collaborator baked in.
CategoryProductivityVideoDataWriting
PricingFree + $10-$20/moFree + $24-$65/moFree + $19-$89/user/moFree + $12/mo
Best forPitch decks, proposals, internal presentations — fast.Course creators, multilingual marketers, anyone scaling video content.Ops teams, marketers, anyone building dashboards from multiple sources.Essays, long-form drafts, thinking on the page.
Strengths
  • Strong templates
  • Decks, docs, webpages
  • Doesn't look generic
  • Clone your face + voice in 2 minutes
  • Instant translation into 40+ languages with lip sync
  • Avatars look less uncanny than competitors
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
Weaknesses
  • Locked into Gamma's format
  • Export quality varies
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
Kai's verdictA-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.
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