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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
Claude Code
S
Replit Agent
A
TaglineAI slide decks that don't look AI-generated.AI avatar videos. Record once, speak any language.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Replit's AI that builds + deploys full apps on their platform.
Categoryproductivityvideocodingcoding
PricingFree + $10-$20/moFree + $24-$65/moPart of Claude Pro/Max/Team plans$10-$25/mo Core/Teams
Best forPitch decks, proposals, internal presentations — fast.Course creators, multilingual marketers, anyone scaling video content.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Teachers, students, prototypers, hackathon builders.
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
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Full-stack + DB + auth + deploy in one environment
  • Great for teaching/learning
  • Runs everything in-browser
Weaknesses
  • Locked into Gamma's format
  • Export quality varies
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Locked into Replit hosting
  • Less code quality than dedicated IDEs
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.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier. Best for teaching a kid to code in 2026.
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