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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
Le Chat (Mistral)
B
NotebookLM
S
Bolt.new (StackBlitz)
A
TaglineSpreadsheets with AI + live integrations baked in.French alternative. Fast, European, privacy-focused.Google's research notebook. Turns your docs into a podcast.Prompt to deployed full-stack app in the browser.
CategoryDataChatbotsResearchCoding
PricingFree + $19-$89/user/moFree + $15/mo ProFreeFree + $20-$200/mo
Best forOps teams, marketers, anyone building dashboards from multiple sources.European users with data residency needs. Fans of open-weight models.Students, researchers, anyone with a stack of PDFs or a topic to learn.PMs, founders, non-devs shipping MVPs.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • European data residency
  • Very fast responses
  • Open-weight Mistral models available
  • Good French/European languages
  • Upload anything, ask questions, get cited answers
  • Audio Overview turns docs into a 10-min podcast
  • Great for studying
  • Full-stack generation + live preview
  • Deploy to Netlify in one click
  • Works in-browser — no install
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Smaller capability gap vs frontier models
  • Less polished UX
  • Google-only
  • Can be slow on large corpora
  • Quality ceiling for complex apps
  • Can get into loops for non-trivial bugs
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.B-tier overall, A-tier if GDPR/data residency matters. Solid backup option.S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.A-tier. Best for fast prototypes. Competitive with Lovable — try both.
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