Leaderboard/Llama-3.1-8B-Instruct-4bit/M3 Ultra (60-core GPU)/r_v2pbc0rq2l4

Llama-3.1-8B-Instruct-4bit on M3 Ultra (60-core GPU) + 96GB unified

Name: Llama-3.1-8B-Instruct-4bit on M3 Ultra (60-core GPU) + 96GB unified
Creator: llm-speed
License: https://www.apache.org/licenses/LICENSE-2.0
Keywords: LLM benchmark, tokens per second, Llama-3.1-8B-Instruct-4bit, M3 Ultra (60-core GPU) + 96GB unified, mlx

M3 Ultra (60-core GPU) + 96GB unified

suite suite-v1

cli 0.0.1-dev

signedG8xb3zMu3+…

Embed badgesubmitted Apr 28, 2026

https://llm-speed.com/r/r_v2pbc0rq2l4

Workload results

Workload	Backend	Model	decode tok/s	prefill tok/s	TTFT	p50	p95
chat-short	mlx@0.31.3	mlx-community/Llama-3.1-8B-Instruct-4bit	130.2tok/s	400.3tok/s	340ms	7.7ms	7.7ms

Reproduce on your machine

Same workload, same model, signed at your rig. The exact command that produced this run:

$ pipx install llm-speed && llm-speed bench --model llama-3-1-8b-instruct --workload 'chat-short'

Runs in about a minute. Your number lands on the leaderboard signed and linkable. How it's measured.

Embed this run

Drop the badge into a README, blog post, or signature. Each render is a backlink to the signed result.

[![llm-speed: 130 tok/s on M3 Ultra (60-core GPU) (Llama-3.1-8B-Instruct-4bit)](https://llm-speed.com/badge/r_v2pbc0rq2l4.svg)](https://llm-speed.com/r/r_v2pbc0rq2l4)

Related benchmarks

More Llama-3.1-8B-Instruct-4bit benchmarks — every backend and rig that has run this model.
More M3 Ultra (60-core GPU) LLM benchmarks — every model measured on this hardware.

Provenance

Run ID: r_v2pbc0rq2l4
Fingerprint hash: bbf15132ccbbe7d7
Public key: G8xb3zMu3+pznEici/TiW0gPk5qSNIYIikGCwm1rMdQ=
Received: 2026-04-28 14:13:47