Can I run gpt-oss?

chatreasoningcodingagents · sizes: 20B-A3.6B (MoE), 120B-A5.1B (MoE)

What runs it

machinebest fitverdictspeed
Apple M1 · 8GB 120B-A5.1B (MoE) MXFP4 ❌ Won't fit —
Apple M1 Pro · 16GB 20B-A3.6B (MoE) MXFP4 🐢 CPU-only (slow) 3–5 tok/s
Apple M2 · 16GB 20B-A3.6B (MoE) MXFP4 🐢 CPU-only (slow) 2–3 tok/s
Apple M3 Pro · 18GB 20B-A3.6B (MoE) MXFP4 🐢 CPU-only (slow) 2–4 tok/s
Apple M2 Pro · 32GB 20B-A3.6B (MoE) MXFP4 ✅ Runs comfortably 25–40 tok/s
Apple M4 Pro · 48GB 20B-A3.6B (MoE) MXFP4 ✅ Runs comfortably 30–50 tok/s
Apple M3 Max · 36GB 20B-A3.6B (MoE) MXFP4 ✅ Runs comfortably 40–70 tok/s
Apple M2 Max · 64GB 20B-A3.6B (MoE) MXFP4 ✅ Runs comfortably 40–70 tok/s
Apple M4 Max · 128GB 120B-A5.1B (MoE) MXFP4 ✅ Runs comfortably 35–60 tok/s
Apple M2 Ultra · 192GB 120B-A5.1B (MoE) MXFP4 ✅ Runs comfortably 50–85 tok/s
NVIDIA GeForce RTX 3060 · 12GB VRAM 20B-A3.6B (MoE) MXFP4 ⚠️ Partial GPU offload 10–17 tok/s
NVIDIA GeForce RTX 4070 · 12GB VRAM 20B-A3.6B (MoE) MXFP4 ⚠️ Partial GPU offload 14–25 tok/s
NVIDIA GeForce RTX 4090 · 24GB VRAM 20B-A3.6B (MoE) MXFP4 ✅ Runs comfortably 95–160 tok/s
NVIDIA GeForce RTX 5080 · 16GB VRAM 20B-A3.6B (MoE) MXFP4 ✅ Runs (tight) 85–140 tok/s
NVIDIA GeForce RTX 5090 · 32GB VRAM 20B-A3.6B (MoE) MXFP4 ✅ Runs comfortably 170–280 tok/s
AMD Radeon RX 7900 XTX · 24GB VRAM 20B-A3.6B (MoE) MXFP4 ✅ Runs comfortably 85–140 tok/s

Shopping for a machine? What hardware do I need to run gpt-oss? →

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$npx runlocal-sh can-i-run gpt-oss

Architectural kin

One model shares gpt-oss's KV-cache geometry — they size memory the same way, so a rig that fits one tends to fit its same-size kin.

Explore the whole catalog by architecture: open the graph →