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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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Replicate
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Hugging Face
S
OpenRouter
S
TaglineSpreadsheets with AI + live integrations baked in.Run any open-source AI model with an API call.The GitHub of AI. Models, datasets, spaces — all in one.One API, every model. Pay-as-you-go, no subscriptions.
CategoryDataDev PlatformDev PlatformDev Platform
PricingFree + $19-$89/user/moPay per second of computeFree + $9-$20/mo + enterprisePay per token — model-dependent
Best forOps teams, marketers, anyone building dashboards from multiple sources.Developers using open-source models (Flux, SDXL, Whisper, etc).Any ML/AI developer. Hobbyists exploring open models.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
  • Largest open-source AI model hub
  • Hosted inference via Spaces + Inference Endpoints
  • Great community
  • 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
  • Overwhelming for beginners
  • Hosted inference pricing varies
  • 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 infrastructure. The one platform every AI dev eventually uses.S-tier for model-shopping. I use this for every prototype before committing.
LinkOpen →Open →Open →Open →