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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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Rows
A
Midjourney
S
Hume AI
A
NotebookLM
S
TaglineSpreadsheets with AI + live integrations baked in.The aesthetic gold standard for AI image generation.Voice AI that reads + expresses emotion.Google's research notebook. Turns your docs into a podcast.
CategoryDataImageVoiceResearch
PricingFree + $19-$89/user/mo$10-$120/moFree tier + pay-as-you-goFree
Best forOps teams, marketers, anyone building dashboards from multiple sources.Anyone who wants beautiful images without thinking about prompts.Therapy apps, customer service, any voice agent where emotion matters.Students, researchers, anyone with a stack of PDFs or a topic to learn.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Best-in-class art direction
  • v7 is stunning
  • Great style consistency
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
  • Upload anything, ask questions, get cited answers
  • Audio Overview turns docs into a 10-min podcast
  • Great for studying
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • No free tier
  • Discord-first UX (web now available)
  • Less controllable than ComfyUI
  • Niche use case
  • Pricing ramps fast
  • Google-only
  • Can be slow on large corpora
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier for aesthetics. If you care how it looks more than how it's made, this wins.A-tier in its niche. The only one that actually gets emotion right.S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.
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