Use Your Mac for AI Agents: Self-Host Gemma 4 12 B with Pulumi and Tailscale

If you run AI tools and agents, you’ve probably accepted three tradeoffs: your data leaves your network, you can’t work offline, and your bill scales with usage. Open-weight models now run well on consumer hardware. Once the model is on your machine, your data stays local, inference works offline, and tokens cost nothing.