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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
Claude Code
S
OpenRouter
S
Sudowrite
S
TaglineSpreadsheets with AI + live integrations baked in.Anthropic's CLI agent. Opus-powered, operates on your repo directly.One API, every model. Pay-as-you-go, no subscriptions.AI writing tool built specifically for fiction writers.
CategoryDataCodingDev PlatformWriting
PricingFree + $19-$89/user/moPart of Claude Pro/Max/Team plansPay per token — model-dependent$19-$59/mo
Best forOps teams, marketers, anyone building dashboards from multiple sources.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Developers experimenting across models. Apps that want fallback logic.Novelists, screenwriters, fiction short-form writers.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Brainstorm, expand, rewrite modes designed for fiction
  • Story Bible for character + plot tracking
  • Understands voice + tone better than generic chatbots
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Slight markup over direct API
  • Some provider features not exposed
  • Pricey for casual use
  • Fiction-only focus — not for business writing
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.S-tier for model-shopping. I use this for every prototype before committing.S-tier for fiction. If you're writing a novel, this beats raw ChatGPT every time.
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