MODEL REFERENCE / openai

openai/gpt-oss-20b

OpenAI's gpt-oss-20b — 21B-total / 3.6B-active MoE reasoning model with native MXFP4 quant; supports GPU, XPU, and Xeon 6 CPU serving

21B/3.6B-A MoE reasoning model with native MXFP4 — runs on 16GB

vLLMmoe21B / 3.6B131,072 ctxvLLM 0.10.1+text

02 / Configure

Configure serving

Choose engine, hardware and deployment options. The command updates as you go.

03 / Understand

Model notes and examples