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v0
S
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S
Sudowrite
S
Lex
A
TaglineVercel's AI-powered UI generator. Prompt to shadcn component.AI search done right. Cited answers, not chat theater.AI writing tool built specifically for fiction writers.Google Docs with an AI collaborator baked in.
CategoryDesignResearchWritingWriting
PricingFree + $20/moFree + $20/mo Pro$19-$59/moFree + $12/mo
Best forFrontend devs, PMs prototyping UIs, anyone on Next.js.Replacing Google for any question where you want a cited answer in seconds.Novelists, screenwriters, fiction short-form writers.Essays, long-form drafts, thinking on the page.
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
  • Brainstorm, expand, rewrite modes designed for fiction
  • Story Bible for character + plot tracking
  • Understands voice + tone better than generic chatbots
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
Weaknesses
  • Best for shadcn stack
  • Iterating can be fiddly
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Pricey for casual use
  • Fiction-only focus — not for business writing
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
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.S-tier for fiction. If you're writing a novel, this beats raw ChatGPT every time.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.
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