can-i-run-this-llm

Can I run this LLM?

Can a Desktop CPU, DDR5 dual-channel (32GB) run GPT-OSS 20B (MoE)?

GPT-OSS · Apache 2.0 · estimated for a 32.0 GB machine at 4K context.

Yes — it runs great.

Best fit: GPT-OSS 20B (MoE) at Q4_K_M · 11.6 GB · 12–18 tok/s on a Desktop CPU, DDR5 dual-channel (32GB).

Every quantization on this machine

QuantSizeSpeedFit
Q2_K11.5 GB12–18 tok/sRuns great
Q3_K_M11.5 GB12–18 tok/sRuns great
Q4_K_M11.6 GB12–18 tok/sRuns great
Q5_K_M11.7 GB12–18 tok/sTight / slow
Q6_K12.0 GB12–18 tok/sTight / slow
Q8_012.1 GB12–18 tok/sTight / slow
FP1613.8 GB11–16 tok/sTight / slow
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