Compare AI tools

	Lex A	Sudowrite S	Claude S	DeepSeek S
Tagline	Google Docs with an AI collaborator baked in.	AI writing tool built specifically for fiction writers.	Anthropic's flagship — best reasoning + longest useful context.	Chinese open-weight powerhouse. Crazy cheap, genuinely smart.
Category	writing	writing	chat	chat
Pricing	Free + $12/mo	$19-$59/mo	Free + $20/mo Pro + team/enterprise	Free web + ultra-cheap API (~$0.14/M input tokens)
Best for	Essays, long-form drafts, thinking on the page.	Novelists, screenwriters, fiction short-form writers.	Long writing, code, careful thinking, documents over 50 pages.	Developers + cost-conscious builders. Anyone fine with self-hosting.
Strengths	Clean writing UX — distraction-free +++ prompt triggers AI help Collaboration + AI feedback together	Brainstorm, expand, rewrite modes designed for fiction Story Bible for character + plot tracking Understands voice + tone better than generic chatbots	Best-in-class writing + nuanced reasoning 1M context on Opus Artifacts for code/docs Lowest hallucination rate in my testing	Open weights you can self-host Strong reasoning + math Near-free API pricing DeepSeek-V3 / R1 are serious models
Weaknesses	Less feature-rich than Google Docs AI ceiling below dedicated tools	Pricey for casual use Fiction-only focus — not for business writing	Image generation is weak No native web search on all tiers	Data goes to servers in China — privacy concerns for business use Chinese policy filters English polish trails Western models
Kai's verdict	A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.	S-tier for fiction. If you're writing a novel, this beats raw ChatGPT every time.	S-tier for reasoning and writing. If you only pay for one chatbot, pay for this one — especially for long work.	S-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.
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