Berth Lets a Single GPU Serve LLMs, ComfyUI and Windows VMs on Demand

Open-source tool Berth (v0.3.4) lets a single RTX 4090 be rented out on demand among chat models, ComfyUI and a Windows game VM, adding experimental Linux GPU VFIO passthrough that safely lends the GPU to a VM and returns it afterward.

2026-10-22 ~ 2026-10-23 · 2 related posts

• Berth v0.3.4 adds GPU VFIO passthrough: lend your 4090 to a Windows VM and get it back — Distinct-Pie2389 · 2026-10-22
• Berth lets one RTX 4090 take turns between chat models, ComfyUI and a Windows VM — Distinct-Pie2389 · 2026-10-23