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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
Cline
A
Kling
A
Fathom
S
TaglineAI search done right. Cited answers, not chat theater.Open-source VS Code agent. Reads + writes + runs.Kuaishou's video model. The surprise standout.Meeting notes, free forever for individuals.
CategoryResearchCodingVideoMeetings
PricingFree + $20/mo ProFree (open source) + your API costsCredit-based, free trialFree for individuals + $15-$29/user/mo teams
Best forReplacing Google for any question where you want a cited answer in seconds.VS Code users who want agentic coding without changing IDEs.Anyone who wants top-tier video quality for less.Solo operators, freelancers, small teams on a budget.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • UX is rough for English speakers
  • Queue times
  • Bot-joining model
  • Team features gated
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. Best free agentic option in VS Code. Use with Claude for best results.A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.S-tier for solo + free. The best free option, hands down.
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