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How do you serve multiple models on shared GPUs using MIG, MPS, or model swapping?

Most models do not fill a GPU, so one model per GPU burns money. The three sharing mechanisms (MIG, MPS, swapping) have very different isolation and overhead. Here is how to pick.

Updated Aug 2026 · Grounded in real Applied AI Engineer interview loops and written to a senior-engineer editorial bar.

Most models do not fill a GPU, so one model per GPU burns money. The three sharing mechanisms (MIG, MPS, swapping) have very different isolation and overhead. Here is how to pick.

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