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Leonardo.ai
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TaglineAI-powered networked notes. Roam with a brain.Spreadsheets with AI + live integrations baked in.AI research assistant for academic literature.Gamer + creator image gen with model fine-tuning built in.
CategoryProductivityDataResearchImage
Pricing$10/moFree + $19-$89/user/moFree + $12-$42/moFree + $12-$60/mo
Best forKnowledge workers + thinkers who want AI in their second brain.Ops teams, marketers, anyone building dashboards from multiple sources.Grad students, researchers, anyone doing literature reviews.Indie game devs, illustrators, anyone training custom style models.
Strengths
  • AI auto-links related notes
  • Generates backlinks + summaries
  • Clean, minimal UX
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Searches 125M+ papers
  • Extracts + synthesizes findings across papers
  • Systematic review workflow
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
Weaknesses
  • Expensive for just notes
  • Smaller community than Obsidian
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Academic-only
  • Can hallucinate citations — verify everything
  • General output behind Midjourney
  • Can be overwhelming
Kai's verdictA-tier. Niche but beloved. If you've outgrown Notion, try this.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier for academic research. Nothing else comes close for systematic reviews.A-tier for creators training custom looks. B-tier for general use.
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