Skip to content
llm-speed
← raw run
wrapped·Apr 28, 2026
/r/r_3ijun8ltjnb
your run

gpt-oss-20b-MXFP4-Q4

on M3 Ultra
152.7
tok/sdecode
M3 Ultra (60-core GPU) + 96GB unified
rank in tier
5/26M3 Ultra runstop 19%
best workload
chat-short
where the rig flew
slowest workload
—
single-workload run
backend
mlxMLX is the fastest backend on Apple Silicon for dense models.
faster than
  • LFM2.5-24B-A2B on RTX A4000142.7 tok/s
  • gemma-4-12b-it-qat on RTX 5090142.6 tok/s
  • gpt-oss on RTX 4090141.7 tok/s
share
152.7 tok/s on M3 Ultra running gpt-oss-20b-MXFP4-Q4 — top 19% of M3 Ultra runs. Signed benchmark via llm-speed.
https://llm-speed.com/wrapped/r_3ijun8ltjnb
X / TwitterBlueskyMastodonRedditraw run

This is a shareable view of one signed llm-speed suite-suite-v1 run. Numbers are not edited. The raw record has every workload, the public key, and the fingerprint hash.