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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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Chatbots
Research
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Image
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Meetings
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Agents
Dev Platform
Data
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Replicate
S
Perplexity
S
Qwen
A
Ollama
S
TaglineRun any open-source AI model with an API call.AI search done right. Cited answers, not chat theater.Alibaba's open chat model. Multilingual + agentic.Run LLMs locally. One-line install, GUI optional.
CategoryDev PlatformResearchChatbotsDev Platform
PricingPay per second of computeFree + $20/mo ProFree web + APIFree + open source
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Replacing Google for any question where you want a cited answer in seconds.Vietnamese/Chinese content, SEA multilingual use, developers wanting open-weight tool-use.Devs wanting offline/local LLMs for privacy or experimentation.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Excellent Chinese + Vietnamese + SEA languages
  • Strong at tool-use + agentic workflows
  • Open weights (Qwen2.5, Qwen3)
  • Run Llama, Mistral, Qwen, etc. on your laptop
  • Simple CLI + API
  • Hardware-aware (picks the right quant)
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • English quality behind Claude/GPT
  • Less well-known outside Asia
  • Needs beefy laptop for larger models
  • Speed way behind cloud APIs
Kai's verdictS-tier for open-source model APIs. The default in this space.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. The best open model for Vietnamese + Chinese. Don't sleep on it if you work in SEA.S-tier for local inference. If you care about privacy or want to tinker, install this today.
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