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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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Rows
A
Replicate
S
NotebookLM
S
OpenRouter
S
TaglineSpreadsheets with AI + live integrations baked in.Run any open-source AI model with an API call.Google's research notebook. Turns your docs into a podcast.One API, every model. Pay-as-you-go, no subscriptions.
CategoryDataDev PlatformResearchDev Platform
PricingFree + $19-$89/user/moPay per second of computeFreePay per token — model-dependent
Best forOps teams, marketers, anyone building dashboards from multiple sources.Developers using open-source models (Flux, SDXL, Whisper, etc).Students, researchers, anyone with a stack of PDFs or a topic to learn.Developers experimenting across models. Apps that want fallback logic.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Upload anything, ask questions, get cited answers
  • Audio Overview turns docs into a 10-min podcast
  • Great for studying
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Google-only
  • Can be slow on large corpora
  • Slight markup over direct API
  • Some provider features not exposed
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier for open-source model APIs. The default in this space.S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.S-tier for model-shopping. I use this for every prototype before committing.
LinkOpen →Open →Open →Open →