Air-Gapped LLM: How to Run Language Models With Zero Internet (2026)
What an air-gapped LLM really is, the VRAM math from 8B to 70B (140 GB at FP16 vs ~40 GB quantized), the two architectures that work, signed offline update bundles, 2026 costs from $2k to $40k+, and when you should NOT build one.