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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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Research
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Devin
A
Perplexity
S
Genspark
A
Framer
A
TaglineCognition Labs' autonomous coding engineer.AI search done right. Cited answers, not chat theater.AI agent for deep search. Generates Sparkpages — full mini-reports.Design + publish sites with AI assists built in.
CategoryAgentsResearchResearchDesign
Pricing$500/moFree + $20/mo ProFree + $25/mo PlusFree + $5-$30/mo
Best forEngineering teams offloading tickets. Ops/platform work.Replacing Google for any question where you want a cited answer in seconds.Travel planning, shopping comparisons, deep research where you want an artifact back.Designers shipping marketing sites without engineers.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Sparkpages = curated multi-source mini-articles
  • Agent can book, compare, shop
  • Autopilot agent for long tasks
  • AI generates sections + copy + layouts
  • Designer-first publishing (not just templates)
  • Great animations
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Early-stage — rough edges
  • Less reliable than Perplexity for simple questions
  • Less flexible than raw code
  • Pricing per-site adds up
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. Bet on this one — the Sparkpage format is genuinely new.A-tier for designer-led sites. S-tier if animations matter.
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