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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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Kling
A
Perplexity
S
Windsurf
A
TaglineKuaishou's video model. The surprise standout.AI search done right. Cited answers, not chat theater.Codeium's agentic IDE. Cascade agent + strong free tier.
CategoryVideoResearchCoding
PricingCredit-based, free trialFree + $20/mo ProFree + $15/mo Pro
Best forAnyone who wants top-tier video quality for less.Replacing Google for any question where you want a cited answer in seconds.Developers who want Cursor-like power for less money.
Strengths
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
Weaknesses
  • UX is rough for English speakers
  • Queue times
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Smaller community
  • Model selection more limited
Kai's verdictA-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. Close second to Cursor. If $5/mo matters, start here.
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