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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
Coding
Image
Video
Voice
Meetings
Design
Productivity
Audio
Writing
Agents
Dev Platform
Data
Marketing
Education
Devin
A
Rows
A
Fathom
S
Gemini
A
TaglineCognition Labs' autonomous coding engineer.Spreadsheets with AI + live integrations baked in.Meeting notes, free forever for individuals.Google's answer. Best integrated with Workspace + free for a lot.
CategoryAgentsDataMeetingsChatbots
Pricing$500/moFree + $19-$89/user/moFree for individuals + $15-$29/user/mo teamsFree + $20/mo Advanced (bundled with 2TB Drive)
Best forEngineering teams offloading tickets. Ops/platform work.Ops teams, marketers, anyone building dashboards from multiple sources.Solo operators, freelancers, small teams on a budget.Anyone already on Google, research tasks, summarizing long documents.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Bot-joining model
  • Team features gated
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier for solo + free. The best free option, hands down.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.
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