6-8K CAD Local LLM Rig: M5 Ultra 96GB, M5 Max 128GB, or a Big-RAM Custom PC?

EfficientDivide1572 · reddit · 2026-11-10

A user with a 6-8K CAD (4-5K USD) budget wants an all-around workstation for local AI, torn between an M5 Ultra 96GB (8k) and M5 Max 128GB (7.9k), or building a high-RAM custom PC.

Their workflow is hybrid: flagship models for planning, local models like Qwen for creative design and execution, aiming for respectable tok/s and prompt prefill on DeepSeek, Qwen 3.8 or future models while owning their data. They also weigh waiting 6-12 months, fearing prices may rise instead.

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