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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
Perplexity
S
Raycast AI
S
Ollama
S
TaglineAutonomous AI agent that actually finishes tasks.AI search done right. Cited answers, not chat theater.Mac launcher + AI. Command-bar genius.Run LLMs locally. One-line install, GUI optional.
CategoryAgentsResearchProductivityDev Platform
PricingFree tier + $39-$199/moFree + $20/mo ProFree (app) + $10/mo AIFree + open source
Best forPeople who want to hand off tasks entirely — trip planning, research, spreadsheet building.Replacing Google for any question where you want a cited answer in seconds.Power users on Mac who type a lot.Devs wanting offline/local LLMs for privacy or experimentation.
Strengths
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Invoke AI from anywhere on Mac with a hotkey
  • Choose your model (Claude, GPT, etc.)
  • AI Commands for repeatable workflows
  • Run Llama, Mistral, Qwen, etc. on your laptop
  • Simple CLI + API
  • Hardware-aware (picks the right quant)
Weaknesses
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Mac-only
  • Monthly AI sub on top of free app
  • Needs beefy laptop for larger models
  • Speed way behind cloud APIs
Kai's verdictS-tier in the agent category. The first one I'd give to a non-technical friend.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.S-tier if you're on Mac. The fastest way to get AI answers without context-switching.S-tier for local inference. If you care about privacy or want to tinker, install this today.
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