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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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Chatbots
Research
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Image
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Meetings
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Productivity
Audio
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Agents
Dev Platform
Data
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Reflect
A
Rows
A
Fireflies
A
v0
S
TaglineAI-powered networked notes. Roam with a brain.Spreadsheets with AI + live integrations baked in.Sales-focused meeting AI with CRM integration.Vercel's AI-powered UI generator. Prompt to shadcn component.
CategoryProductivityDataMeetingsDesign
Pricing$10/moFree + $19-$89/user/moFree + $10-$19/user/moFree + $20/mo
Best forKnowledge workers + thinkers who want AI in their second brain.Ops teams, marketers, anyone building dashboards from multiple sources.Sales teams, customer success, anyone running many discovery calls.Frontend devs, PMs prototyping UIs, anyone on Next.js.
Strengths
  • AI auto-links related notes
  • Generates backlinks + summaries
  • Clean, minimal UX
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Good CRM integrations (Salesforce, HubSpot)
  • Talk-time + sentiment analytics
  • Call scoring
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
Weaknesses
  • Expensive for just notes
  • Smaller community than Obsidian
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Bot-joins (intrusive)
  • Gets expensive at team scale
  • Best for shadcn stack
  • Iterating can be fiddly
Kai's verdictA-tier. Niche but beloved. If you've outgrown Notion, try this.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier for sales teams. B-tier for solo users.S-tier. If you're on Vercel/shadcn, this is cheating.
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