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Sudowrite
S
Groq
S
Perplexity
S
Hugging Face
S
TaglineAI writing tool built specifically for fiction writers.The fastest AI inference in the world. Crazy low latency.AI search done right. Cited answers, not chat theater.The GitHub of AI. Models, datasets, spaces — all in one.
CategoryWritingDev PlatformResearchDev Platform
Pricing$19-$59/moFree tier + pay-as-you-go APIFree + $20/mo ProFree + $9-$20/mo + enterprise
Best forNovelists, screenwriters, fiction short-form writers.Developers who need sub-100ms LLM responses.Replacing Google for any question where you want a cited answer in seconds.Any ML/AI developer. Hobbyists exploring open models.
Strengths
  • Brainstorm, expand, rewrite modes designed for fiction
  • Story Bible for character + plot tracking
  • Understands voice + tone better than generic chatbots
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Largest open-source AI model hub
  • Hosted inference via Spaces + Inference Endpoints
  • Great community
Weaknesses
  • Pricey for casual use
  • Fiction-only focus — not for business writing
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Overwhelming for beginners
  • Hosted inference pricing varies
Kai's verdictS-tier for fiction. If you're writing a novel, this beats raw ChatGPT every time.S-tier for speed. When latency is the product, start here.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.S-tier infrastructure. The one platform every AI dev eventually uses.
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