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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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Reflect
A
Leonardo.ai
A
Rows
A
OpenRouter
S
TaglineAI-powered networked notes. Roam with a brain.Gamer + creator image gen with model fine-tuning built in.Spreadsheets with AI + live integrations baked in.One API, every model. Pay-as-you-go, no subscriptions.
CategoryProductivityImageDataDev Platform
Pricing$10/moFree + $12-$60/moFree + $19-$89/user/moPay per token — model-dependent
Best forKnowledge workers + thinkers who want AI in their second brain.Indie game devs, illustrators, anyone training custom style models.Ops teams, marketers, anyone building dashboards from multiple sources.Developers experimenting across models. Apps that want fallback logic.
Strengths
  • AI auto-links related notes
  • Generates backlinks + summaries
  • Clean, minimal UX
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
Weaknesses
  • Expensive for just notes
  • Smaller community than Obsidian
  • General output behind Midjourney
  • Can be overwhelming
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Slight markup over direct API
  • Some provider features not exposed
Kai's verdictA-tier. Niche but beloved. If you've outgrown Notion, try this.A-tier for creators training custom looks. B-tier for general use.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier for model-shopping. I use this for every prototype before committing.
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