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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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Claude Code
S
Hume AI
A
Figma AI
A
NotebookLM
S
TaglineAnthropic's CLI agent. Opus-powered, operates on your repo directly.Voice AI that reads + expresses emotion.AI features baked into the design tool you already use.Google's research notebook. Turns your docs into a podcast.
CategoryCodingVoiceDesignResearch
PricingPart of Claude Pro/Max/Team plansFree tier + pay-as-you-goIncluded with Figma plansFree
Best forDevelopers who want an agent, not autocomplete. Large refactors, tests, docs.Therapy apps, customer service, any voice agent where emotion matters.Designers already on Figma.Students, researchers, anyone with a stack of PDFs or a topic to learn.
Strengths
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
  • First drafts with Make Designs
  • Rename/rearrange layers automatically
  • Natural language asset search
  • Upload anything, ask questions, get cited answers
  • Audio Overview turns docs into a 10-min podcast
  • Great for studying
Weaknesses
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Niche use case
  • Pricing ramps fast
  • Features vary by plan + region
  • Still rolling out
  • Google-only
  • Can be slow on large corpora
Kai's verdictS-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier in its niche. The only one that actually gets emotion right.A-tier. No reason not to use it if you're on Figma. Not worth switching for.S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.
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