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TaglineOpen-source VS Code agent. Reads + writes + runs.One API, every model. Pay-as-you-go, no subscriptions.Spreadsheets with AI + live integrations baked in.Run any open-source AI model with an API call.
CategoryCodingDev PlatformDataDev Platform
PricingFree (open source) + your API costsPay per token — model-dependentFree + $19-$89/user/moPay per second of compute
Best forVS Code users who want agentic coding without changing IDEs.Developers experimenting across models. Apps that want fallback logic.Ops teams, marketers, anyone building dashboards from multiple sources.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
Weaknesses
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Slight markup over direct API
  • Some provider features not exposed
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Cold starts on less-popular models
  • Pricing gets real at scale
Kai's verdictA-tier. Best free agentic option in VS Code. Use with Claude for best results.S-tier for model-shopping. I use this for every prototype before committing.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier for open-source model APIs. The default in this space.
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