What a 4x RTX Pro 6000 Blackwell rig actually buys you for DeepSeek V4 Flash: throughput, VRAM headroom, the SM120 vLLM compile bug, and break-even vs the DeepSeek API.
Every major LLM and AI tooling release in May 2026 -- Qwen 3.7-Max, DeepSeek V4-Pro permanent pricing, Gemini 3.5 Flash, Composer 2.5, Grok Build, Cherry Studio 1.9.6, Ollama 0.24, and what's still rumored.
The xformers `Could not load library libcuda.so` error almost always traces to a missing symlink, wrong LD_LIBRARY_PATH, or a CUDA/wheel version mismatch. Here is a step-by-step debug guide with the exact commands.