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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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TaglineOpen-source VS Code agent. Reads + writes + runs.Spreadsheets with AI + live integrations baked in.Design + publish sites with AI assists built in.Vector + raster AI for designers. Actually controls the output.
CategoryCodingDataDesignImage
PricingFree (open source) + your API costsFree + $19-$89/user/moFree + $5-$30/moFree + $12-$48/mo
Best forVS Code users who want agentic coding without changing IDEs.Ops teams, marketers, anyone building dashboards from multiple sources.Designers shipping marketing sites without engineers.Designers, brand teams, anyone needing vector output or tight style control.
Strengths
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • AI generates sections + copy + layouts
  • Designer-first publishing (not just templates)
  • Great animations
  • Exports SVG vectors — rare in AI image gen
  • Strong style control + consistency
  • Brand kit for consistent outputs
Weaknesses
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Less flexible than raw code
  • Pricing per-site adds up
  • Less hyped than Midjourney
  • Learning curve for non-designers
Kai's verdictA-tier. Best free agentic option in VS Code. Use with Claude for best results.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier for designer-led sites. S-tier if animations matter.S-tier for designers. The only one that takes vectors seriously.
LinkOpen →Open →Open →Open →