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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
Claude Code
S
Aider
A
NotebookLM
S
TaglineAI slide decks that don't look AI-generated.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Terminal-based AI pair programmer. Git-aware, model-flexible.Google's research notebook. Turns your docs into a podcast.
CategoryProductivityCodingCodingResearch
PricingFree + $10-$20/moPart of Claude Pro/Max/Team plansFree (open source) + whatever API you useFree
Best forPitch decks, proposals, internal presentations — fast.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Developers who want open-source tooling with full control.Students, researchers, anyone with a stack of PDFs or a topic to learn.
Strengths
  • Strong templates
  • Decks, docs, webpages
  • Doesn't look generic
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Works in any terminal
  • Auto-commits changes with meaningful messages
  • Works with any model (Claude, GPT, local)
  • Minimal learning curve
  • Upload anything, ask questions, get cited answers
  • Audio Overview turns docs into a 10-min podcast
  • Great for studying
Weaknesses
  • Locked into Gamma's format
  • Export quality varies
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Terminal-only
  • Less agentic than Claude Code
  • Setup on Windows is fiddly
  • Google-only
  • Can be slow on large corpora
Kai's verdictA-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier. The right answer if you want open-source + terminal-native + model-agnostic.S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.
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