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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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Genspark
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OpenRouter
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Cursor
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TaglineSpreadsheets with AI + live integrations baked in.AI agent for deep search. Generates Sparkpages — full mini-reports.One API, every model. Pay-as-you-go, no subscriptions.VS Code fork that made AI coding actually work.
CategoryDataResearchDev PlatformCoding
PricingFree + $19-$89/user/moFree + $25/mo PlusPay per token — model-dependentFree + $20/mo Pro + $40/mo Business
Best forOps teams, marketers, anyone building dashboards from multiple sources.Travel planning, shopping comparisons, deep research where you want an artifact back.Developers experimenting across models. Apps that want fallback logic.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
  • Sparkpages = curated multi-source mini-articles
  • Agent can book, compare, shop
  • Autopilot agent for long tasks
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • 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
  • Early-stage — rough edges
  • Less reliable than Perplexity for simple questions
  • Slight markup over direct API
  • Some provider features not exposed
  • Can feel overwhelming for non-coders
  • Expensive at scale
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. Bet on this one — the Sparkpage format is genuinely new.S-tier for model-shopping. I use this for every prototype before committing.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.
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