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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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OpenRouter
S
Rows
A
Elicit
S
v0
S
TaglineOne API, every model. Pay-as-you-go, no subscriptions.Spreadsheets with AI + live integrations baked in.AI research assistant for academic literature.Vercel's AI-powered UI generator. Prompt to shadcn component.
CategoryDev PlatformDataResearchDesign
PricingPay per token — model-dependentFree + $19-$89/user/moFree + $12-$42/moFree + $20/mo
Best forDevelopers experimenting across models. Apps that want fallback logic.Ops teams, marketers, anyone building dashboards from multiple sources.Grad students, researchers, anyone doing literature reviews.Frontend devs, PMs prototyping UIs, anyone on Next.js.
Strengths
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • 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
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
Weaknesses
  • Slight markup over direct API
  • Some provider features not exposed
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Academic-only
  • Can hallucinate citations — verify everything
  • Best for shadcn stack
  • Iterating can be fiddly
Kai's verdictS-tier for model-shopping. I use this for every prototype before committing.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier for academic research. Nothing else comes close for systematic reviews.S-tier. If you're on Vercel/shadcn, this is cheating.
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