can it run
14.2 of 14 GB usable — barely over; real with q8 KV cache (halves KV) or shorter context
~14GB usable · Apple M1 Pro · model file 14GB · 20B MoE
computed roofline: 200 GB/s × 0.55–0.80 efficiency window / 2.1GB (Q4_K_M) — bands, never points.
MoE: file is 14GB (that decides fit) but only ~3B of experts activate per token (~2.1GB streamed) — band below is the active-expert estimate, optimistic; community MoE rows run several× the naive bandwidth math
→ Tesla P40 (24GB, used) — cheapest catalog machine that runs gpt-oss 20B MoE fully ($290)
→ every model the Apple M1 Pro can run — full list
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