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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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TaglineAI search done right. Cited answers, not chat theater.Autonomous AI agent that actually finishes tasks.Meeting notes that don't suck. Runs locally, no bot joins.VS Code fork that made AI coding actually work.
CategoryResearchAgentsMeetingsCoding
PricingFree + $20/mo ProFree tier + $39-$199/moFree + $18/moFree + $20/mo Pro + $40/mo Business
Best forReplacing Google for any question where you want a cited answer in seconds.People who want to hand off tasks entirely — trip planning, research, spreadsheet building.Founders, execs, consultants who live in calls.Developers. Non-developers who want to ship working code.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
  • No bot in the call — runs on your Mac
  • Strong templates
  • Fast summaries
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
  • Mac-only
  • Single-user by design
  • Can feel overwhelming for non-coders
  • Expensive at scale
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 in the agent category. The first one I'd give to a non-technical friend.S-tier. Category-defining UX. If you take notes in meetings, switch this week.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.
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