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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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Dev Platform
Audio
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Coding
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Meetings
Design
Productivity
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Data
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Rows
A
Framer
A
Claude
S
OpenRouter
S
TaglineSpreadsheets with AI + live integrations baked in.Design + publish sites with AI assists built in.Anthropic's flagship — best reasoning + longest useful context.One API, every model. Pay-as-you-go, no subscriptions.
CategoryDataDesignChatbotsDev Platform
PricingFree + $19-$89/user/moFree + $5-$30/moFree + $20/mo Pro + team/enterprisePay per token — model-dependent
Best forOps teams, marketers, anyone building dashboards from multiple sources.Designers shipping marketing sites without engineers.Long writing, code, careful thinking, documents over 50 pages.Developers experimenting across models. Apps that want fallback logic.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • AI generates sections + copy + layouts
  • Designer-first publishing (not just templates)
  • Great animations
  • Best-in-class writing + nuanced reasoning
  • 1M context on Opus
  • Artifacts for code/docs
  • Lowest hallucination rate in my testing
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Less flexible than raw code
  • Pricing per-site adds up
  • Image generation is weak
  • No native web search on all tiers
  • Slight markup over direct API
  • Some provider features not exposed
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier for designer-led sites. S-tier if animations matter.S-tier for reasoning and writing. If you only pay for one chatbot, pay for this one — especially for long work.S-tier for model-shopping. I use this for every prototype before committing.
LinkOpen →Open →Open →Open →