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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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Cursor
S
Sudowrite
S
Replicate
S
Ollama
S
TaglineVS Code fork that made AI coding actually work.AI writing tool built specifically for fiction writers.Run any open-source AI model with an API call.Run LLMs locally. One-line install, GUI optional.
CategoryCodingWritingDev PlatformDev Platform
PricingFree + $20/mo Pro + $40/mo Business$19-$59/moPay per second of computeFree + open source
Best forDevelopers. Non-developers who want to ship working code.Novelists, screenwriters, fiction short-form writers.Developers using open-source models (Flux, SDXL, Whisper, etc).Devs wanting offline/local LLMs for privacy or experimentation.
Strengths
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Brainstorm, expand, rewrite modes designed for fiction
  • Story Bible for character + plot tracking
  • Understands voice + tone better than generic chatbots
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Run Llama, Mistral, Qwen, etc. on your laptop
  • Simple CLI + API
  • Hardware-aware (picks the right quant)
Weaknesses
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Pricey for casual use
  • Fiction-only focus — not for business writing
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Needs beefy laptop for larger models
  • Speed way behind cloud APIs
Kai's verdictS-tier for coding. If you write code of any kind, this pays back the $20 in a day.S-tier for fiction. If you're writing a novel, this beats raw ChatGPT every time.S-tier for open-source model APIs. The default in this space.S-tier for local inference. If you care about privacy or want to tinker, install this today.
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