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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
A
Lex
A
Rows
A
TaglineAI agent for deep search. Generates Sparkpages — full mini-reports.Google Docs with an AI collaborator baked in.Spreadsheets with AI + live integrations baked in.
CategoryResearchWritingData
PricingFree + $25/mo PlusFree + $12/moFree + $19-$89/user/mo
Best forTravel planning, shopping comparisons, deep research where you want an artifact back.Essays, long-form drafts, thinking on the page.Ops teams, marketers, anyone building dashboards from multiple sources.
Strengths
  • Sparkpages = curated multi-source mini-articles
  • Agent can book, compare, shop
  • Autopilot agent for long tasks
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
Weaknesses
  • Early-stage — rough edges
  • Less reliable than Perplexity for simple questions
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
Kai's verdictA-tier. Bet on this one — the Sparkpage format is genuinely new.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.
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