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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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S
Replicate
S
OpenRouter
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Ollama
S
TaglineAI search done right. Cited answers, not chat theater.Run any open-source AI model with an API call.One API, every model. Pay-as-you-go, no subscriptions.Run LLMs locally. One-line install, GUI optional.
CategoryResearchDev PlatformDev PlatformDev Platform
PricingFree + $20/mo ProPay per second of computePay per token — model-dependentFree + open source
Best forReplacing Google for any question where you want a cited answer in seconds.Developers using open-source models (Flux, SDXL, Whisper, etc).Developers experimenting across models. Apps that want fallback logic.Devs wanting offline/local LLMs for privacy or experimentation.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Run Llama, Mistral, Qwen, etc. on your laptop
  • Simple CLI + API
  • Hardware-aware (picks the right quant)
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Slight markup over direct API
  • Some provider features not exposed
  • Needs beefy laptop for larger models
  • Speed way behind cloud APIs
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.S-tier for open-source model APIs. The default in this space.S-tier for model-shopping. I use this for every prototype before committing.S-tier for local inference. If you care about privacy or want to tinker, install this today.
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