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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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Leonardo.ai
A
Elicit
S
Rows
A
OpenRouter
S
TaglineGamer + creator image gen with model fine-tuning built in.AI research assistant for academic literature.Spreadsheets with AI + live integrations baked in.One API, every model. Pay-as-you-go, no subscriptions.
CategoryImageResearchDataDev Platform
PricingFree + $12-$60/moFree + $12-$42/moFree + $19-$89/user/moPay per token — model-dependent
Best forIndie game devs, illustrators, anyone training custom style models.Grad students, researchers, anyone doing literature reviews.Ops teams, marketers, anyone building dashboards from multiple sources.Developers experimenting across models. Apps that want fallback logic.
Strengths
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Searches 125M+ papers
  • Extracts + synthesizes findings across papers
  • Systematic review workflow
  • 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
  • General output behind Midjourney
  • Can be overwhelming
  • Academic-only
  • Can hallucinate citations — verify everything
  • 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 for creators training custom looks. B-tier for general use.S-tier for academic research. Nothing else comes close for systematic reviews.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.
LinkOpen →Open →Open →Open →