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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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Cline
A
Leonardo.ai
A
Rows
A
Fathom
S
TaglineOpen-source VS Code agent. Reads + writes + runs.Gamer + creator image gen with model fine-tuning built in.Spreadsheets with AI + live integrations baked in.Meeting notes, free forever for individuals.
CategoryCodingImageDataMeetings
PricingFree (open source) + your API costsFree + $12-$60/moFree + $19-$89/user/moFree for individuals + $15-$29/user/mo teams
Best forVS Code users who want agentic coding without changing IDEs.Indie game devs, illustrators, anyone training custom style models.Ops teams, marketers, anyone building dashboards from multiple sources.Solo operators, freelancers, small teams on a budget.
Strengths
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • 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
Weaknesses
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • General output behind Midjourney
  • Can be overwhelming
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Bot-joining model
  • Team features gated
Kai's verdictA-tier. Best free agentic option in VS Code. Use with Claude for best results.A-tier for creators training custom looks. B-tier for general use.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier for solo + free. The best free option, hands down.
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