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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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Gamma
A
Duolingo Max
A
TaglineAI slide decks that don't look AI-generated.Duolingo + AI. Explain My Answer + Roleplay features.
CategoryProductivityEducation
PricingFree + $10-$20/mo$30/mo (or ~$168/yr)
Best forPitch decks, proposals, internal presentations — fast.Language learners who've outgrown basic Duolingo.
Strengths
  • Strong templates
  • Decks, docs, webpages
  • Doesn't look generic
  • Explain My Answer = personal tutor for every mistake
  • Roleplay = real conversation practice
  • Gamification that actually sticks
Weaknesses
  • Locked into Gamma's format
  • Export quality varies
  • Pricey vs free Duolingo
  • Conversation AI still stiff sometimes
Kai's verdictA-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.A-tier. If you already love Duolingo, worth it. If starting fresh, try ChatGPT Voice instead.
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