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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
HeyGen
S
Google Veo
A
v0
S
TaglineAI slide decks that don't look AI-generated.AI avatar videos. Record once, speak any language.Google's video model. Baked into Gemini + YouTube Shorts.Vercel's AI-powered UI generator. Prompt to shadcn component.
CategoryProductivityVideoVideoDesign
PricingFree + $10-$20/moFree + $24-$65/moIncluded with Gemini Advanced $20/mo + YouTube creator toolsFree + $20/mo
Best forPitch decks, proposals, internal presentations — fast.Course creators, multilingual marketers, anyone scaling video content.Gemini Advanced users, YouTube Shorts creators.Frontend devs, PMs prototyping UIs, anyone on Next.js.
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
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
Weaknesses
  • Locked into Gamma's format
  • Export quality varies
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
  • Best for shadcn stack
  • Iterating can be fiddly
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 if you already pay Gemini. B-tier standalone.S-tier. If you're on Vercel/shadcn, this is cheating.
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