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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
Perplexity
S
Aider
A
TaglineAI slide decks that don't look AI-generated.AI search done right. Cited answers, not chat theater.Terminal-based AI pair programmer. Git-aware, model-flexible.
Categoryproductivityresearchcoding
PricingFree + $10-$20/moFree + $20/mo ProFree (open source) + whatever API you use
Best forPitch decks, proposals, internal presentations — fast.Replacing Google for any question where you want a cited answer in seconds.Developers who want open-source tooling with full control.
Strengths
  • Strong templates
  • Decks, docs, webpages
  • Doesn't look generic
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Works in any terminal
  • Auto-commits changes with meaningful messages
  • Works with any model (Claude, GPT, local)
  • Minimal learning curve
Weaknesses
  • Locked into Gamma's format
  • Export quality varies
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Terminal-only
  • Less agentic than Claude Code
  • Setup on Windows is 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 search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. The right answer if you want open-source + terminal-native + model-agnostic.
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