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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.
Pick tools (3 selected)
Chatbots
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Aider
A
Gamma
A
HeyGen
S
TaglineTerminal-based AI pair programmer. Git-aware, model-flexible.AI slide decks that don't look AI-generated.AI avatar videos. Record once, speak any language.
CategoryCodingProductivityVideo
PricingFree (open source) + whatever API you useFree + $10-$20/moFree + $24-$65/mo
Best forDevelopers who want open-source tooling with full control.Pitch decks, proposals, internal presentations — fast.Course creators, multilingual marketers, anyone scaling video content.
Strengths
  • Works in any terminal
  • Auto-commits changes with meaningful messages
  • Works with any model (Claude, GPT, local)
  • Minimal learning curve
  • 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
Weaknesses
  • Terminal-only
  • Less agentic than Claude Code
  • Setup on Windows is fiddly
  • Locked into Gamma's format
  • Export quality varies
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
Kai's verdictA-tier. The right answer if you want open-source + terminal-native + model-agnostic.A-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.
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