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Flint-40B-A2.5B · Q5_K_S

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Apple M5 Ultra512GBllama.cpp v0.53L2 Cross-framework verified

This page aggregates 1 real-world runs of Flint-40B-A2.5B (Q5_K_S) on Apple M5 Ultra with llama.cpp, contributed by 1 independent source platforms; metrics are averages of published measurements.

181.42 tok/s

Decode

Decode speed

831.96 tok/s

Prefill

Prefill speed

2.15 s

TTFT

Time to first token

77.32 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

14 days ago

Last verified

Performance

  1. llama.cpp · IQ1_S Decode 324.79 · Prefill 1453.99 ·
  2. llama.cpp · Q5_K_S (current)Decode 181.42 · Prefill 831.96 ·
  3. Ollama · Q2_K Decode 230.73 · Prefill 1077.9 ·

Core figures

Decode (avg)
181.42 tok/s
Prefill (avg)
831.96 tok/s
TTFT (avg)
2.15 s
VRAM (avg)
77.32 GB
MTP acceptance rate
—
TTFB
1.45 GB
Power draw
105.8 W

Configuration

Member-level fields are taken from the most recent run

Model
Flint-40B-A2.5B
Quantization
Q5_K_S
Framework
llama.cpp
Version
v0.53
Context length
32768 tokens
Batch size
512
GPU layers
99
Flash Attention
On

Hardware

Nominal and measured figures are shown side by side; whether it runs is the reader's call

GPU
Apple M5 Ultra
Nominal VRAM
512 GB
Measured VRAM (avg)
77.32 GB
OS
macOS 26.1
Power draw
105.8 W

Get started

Original model resources

Base model resources may not match this quantization. Use the verified deployment weights above when available.

Sources & evidence

1 measured records in total, each traceable to its original source

  1. L2 Cross-framework verifiedOtherOriginal link Verified on 2026-10-22

    v0.53 · macOS 26.1 · 32768 ctx

    181.42 tok/s

    Decode

    831.96 tok/s

    Prefill

    2.15 s

    TTFT

    77.32 GB

    VRAM

    —

    MTP

    105.8 W

    Power draw

    L2 batch seed 2026-10-22: llama.cpp on hw_id=29 running model_id=92 at Q5_K_S