How Much GPU Memory Do You Really Need to Run an Open LLM Locally?

Tech Stories Tech Brief By HackerNoon · Oct 19, 2026 · 13m

This story was originally published on HackerNoon at: https://hackernoon.com/how-much-gpu-memory-do-you-really-need-to-run-an-open-llm-locally.

How to size hardware for a local LLM: weights, KV cache and memory bandwidth, checked against official specs for 12 open models and 9 GPUs and Macs.

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