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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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Devin
A
Copy.ai
A
Rows
A
TaglineCognition Labs' autonomous coding engineer.AI GTM platform. Workflows for sales + marketing ops.Spreadsheets with AI + live integrations baked in.
CategoryAgentsMarketingData
Pricing$500/moFree + $49-$249/moFree + $19-$89/user/mo
Best forEngineering teams offloading tickets. Ops/platform work.RevOps + marketing ops automating repetitive tasks.Ops teams, marketers, anyone building dashboards from multiple sources.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Workflow builder for GTM automations
  • CRM enrichment + outbound sequences
  • Scales better than ad-hoc prompts
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Overlaps with general chatbots
  • Workflow setup takes time
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.A-tier for ops automation. B-tier for simple copy (use Claude).A-tier. The most interesting spreadsheet in years. Great for ops dashboards.
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