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v0
S
Perplexity
S
Gemini
A
TaglineVercel's AI-powered UI generator. Prompt to shadcn component.AI search done right. Cited answers, not chat theater.Google's answer. Best integrated with Workspace + free for a lot.
CategoryDesignResearchChatbots
PricingFree + $20/moFree + $20/mo ProFree + $20/mo Advanced (bundled with 2TB Drive)
Best forFrontend devs, PMs prototyping UIs, anyone on Next.js.Replacing Google for any question where you want a cited answer in seconds.Anyone already on Google, research tasks, summarizing long documents.
Strengths
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
Weaknesses
  • Best for shadcn stack
  • Iterating can be fiddly
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
Kai's verdictS-tier. If you're on Vercel/shadcn, this is cheating.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.
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