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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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A
Leonardo.ai
A
Gemini
A
NotebookLM
S
TaglineSpreadsheets with AI + live integrations baked in.Gamer + creator image gen with model fine-tuning built in.Google's answer. Best integrated with Workspace + free for a lot.Google's research notebook. Turns your docs into a podcast.
CategoryDataImageChatbotsResearch
PricingFree + $19-$89/user/moFree + $12-$60/moFree + $20/mo Advanced (bundled with 2TB Drive)Free
Best forOps teams, marketers, anyone building dashboards from multiple sources.Indie game devs, illustrators, anyone training custom style models.Anyone already on Google, research tasks, summarizing long documents.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
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • 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
  • General output behind Midjourney
  • Can be overwhelming
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Google-only
  • Can be slow on large corpora
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier for creators training custom looks. B-tier for general use.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.
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