How much RAM does a local LLM need on a Mac? Measurements on 16 GB and a 16–128 GB sizing table
"Will this model run on my Mac?" usually gets answered with the model's file size. That's only a third of the answer. While a model runs, memory goes to three things: the weights, the context (KV cache) and macOS with everything else you have open. I measured three models on my MacBook M5 with 16 G…
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- 2026-10-28 08:28 · DEV Community — Machine Learning
How much RAM does a local LLM need on a Mac? Measurements on 16 GB and a 16–128 GB sizing table