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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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Rows
A
Sudowrite
S
Groq
S
Cursor
S
TaglineSpreadsheets with AI + live integrations baked in.AI writing tool built specifically for fiction writers.The fastest AI inference in the world. Crazy low latency.VS Code fork that made AI coding actually work.
CategoryDataWritingDev PlatformCoding
PricingFree + $19-$89/user/mo$19-$59/moFree tier + pay-as-you-go APIFree + $20/mo Pro + $40/mo Business
Best forOps teams, marketers, anyone building dashboards from multiple sources.Novelists, screenwriters, fiction short-form writers.Developers who need sub-100ms LLM responses.Developers. Non-developers who want to ship working code.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • 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
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Pricey for casual use
  • Fiction-only focus — not for business writing
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Can feel overwhelming for non-coders
  • Expensive at scale
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-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 coding. If you write code of any kind, this pays back the $20 in a day.
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