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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
Perplexity
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.AI search done right. Cited answers, not chat theater.
CategoryDataWritingDev PlatformResearch
PricingFree + $19-$89/user/mo$19-$59/moFree tier + pay-as-you-go APIFree + $20/mo Pro
Best forOps teams, marketers, anyone building dashboards from multiple sources.Novelists, 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.
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
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
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
  • Not a general chatbot
  • Answers can be shallow on complex topics
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 search. I use it before Google now. If you're still Googling everything, try this for a week.
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