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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.Google's answer. Best integrated with Workspace + free for a lot.Spreadsheets with AI + live integrations baked in.Kuaishou's video model. The surprise standout.
CategoryCodingChatbotsDataVideo
PricingFree (open source) + your API costsFree + $20/mo Advanced (bundled with 2TB Drive)Free + $19-$89/user/moCredit-based, free trial
Best forVS Code users who want agentic coding without changing IDEs.Anyone already on Google, research tasks, summarizing long documents.Ops teams, marketers, anyone building dashboards from multiple sources.Anyone who wants top-tier video quality for less.
Strengths
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
Weaknesses
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • UX is rough for English speakers
  • Queue times
Kai's verdictA-tier. Best free agentic option in VS Code. Use with Claude for best results.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.
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