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TaglineOpen-source VS Code agent. Reads + writes + runs.Spreadsheets with AI + live integrations baked in.Google's answer. Best integrated with Workspace + free for a lot.Voice AI that reads + expresses emotion.
CategoryCodingDataChatbotsVoice
PricingFree (open source) + your API costsFree + $19-$89/user/moFree + $20/mo Advanced (bundled with 2TB Drive)Free tier + pay-as-you-go
Best forVS Code users who want agentic coding without changing IDEs.Ops teams, marketers, anyone building dashboards from multiple sources.Anyone already on Google, research tasks, summarizing long documents.Therapy apps, customer service, any voice agent where emotion matters.
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
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
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
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Niche use case
  • Pricing ramps fast
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. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.A-tier in its niche. The only one that actually gets emotion right.
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