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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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Sudowrite
S
Gamma
A
Lex
A
TaglineAI writing tool built specifically for fiction writers.AI slide decks that don't look AI-generated.Google Docs with an AI collaborator baked in.
CategoryWritingProductivityWriting
Pricing$19-$59/moFree + $10-$20/moFree + $12/mo
Best forNovelists, screenwriters, fiction short-form writers.Pitch decks, proposals, internal presentations — fast.Essays, long-form drafts, thinking on the page.
Strengths
  • Brainstorm, expand, rewrite modes designed for fiction
  • Story Bible for character + plot tracking
  • Understands voice + tone better than generic chatbots
  • Strong templates
  • Decks, docs, webpages
  • Doesn't look generic
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
Weaknesses
  • Pricey for casual use
  • Fiction-only focus — not for business writing
  • Locked into Gamma's format
  • Export quality varies
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
Kai's verdictS-tier for fiction. If you're writing a novel, this beats raw ChatGPT every time.A-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.
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