LLMap
Models /gpt-oss-120b /Can I run it?
Compatibility check

Can I run gpt-oss-120b on Apple M1 Ultra (64-core GPU)?

Yes — it runs.best quant:
Decode speed
154 tok/sest
Usable context
131K
Memory
128 GB
Fits in memory154 tok/sest · 131K ctx
Fits in memoryest131 tok/sest · 33K ctx
Spills to system RAMest
What is quantisation? →
gpt-oss-120b
120B / 5.1B · full specs & benchmarks →
Apple M1 Ultra (64-core GPU)
128 GB · everything it runs →