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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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Perplexity
S
Rows
A
Cline
A
Genspark
A
TaglineAI search done right. Cited answers, not chat theater.Spreadsheets with AI + live integrations baked in.Open-source VS Code agent. Reads + writes + runs.AI agent for deep search. Generates Sparkpages — full mini-reports.
CategoryResearchDataCodingResearch
PricingFree + $20/mo ProFree + $19-$89/user/moFree (open source) + your API costsFree + $25/mo Plus
Best forReplacing Google for any question where you want a cited answer in seconds.Ops teams, marketers, anyone building dashboards from multiple sources.VS Code users who want agentic coding without changing IDEs.Travel planning, shopping comparisons, deep research where you want an artifact back.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Sparkpages = curated multi-source mini-articles
  • Agent can book, compare, shop
  • Autopilot agent for long tasks
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Early-stage — rough edges
  • Less reliable than Perplexity for simple questions
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. Best free agentic option in VS Code. Use with Claude for best results.A-tier. Bet on this one — the Sparkpage format is genuinely new.
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