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Compare AI tools

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)
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Gamma
A
Cartesia
S
Claude Code
S
TaglineAI slide decks that don't look AI-generated.Ultra-low-latency voice. Built for realtime agents.Anthropic's CLI agent. Opus-powered, operates on your repo directly.
CategoryProductivityVoiceCoding
PricingFree + $10-$20/moFree tier + usage-based APIPart of Claude Pro/Max/Team plans
Best forPitch decks, proposals, internal presentations — fast.Developers building voice agents, phone bots, interactive apps.Developers who want an agent, not autocomplete. Large refactors, tests, docs.
Strengths
  • Strong templates
  • Decks, docs, webpages
  • Doesn't look generic
  • < 90ms latency — the fastest in the market
  • Sonic model sounds natural
  • Developer-friendly API
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
Weaknesses
  • Locked into Gamma's format
  • Export quality varies
  • Fewer voices than ElevenLabs
  • Less consumer-facing brand
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
Kai's verdictA-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.S-tier for realtime. If latency matters more than voice catalog, start here.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.
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