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Qwen 3.8 Flash Next 125B benchmarks show strong performance on Apple Silicon

A user benchmarked the Qwen3.8-Flash-Next 125B model using the MoEShift backend on two Apple Silicon Macs with 24GB of unified memory. The M5 Pro demonstrated superior performance, achieving 14.69 tokens/sec for short prompt decoding and 374.15 tokens/sec for long prompt prefill, while both machines maintained a peak memory usage of 8.5GB. This performance makes the model suitable for chat and agent applications, even with limited memory, and highlights the potential of MoEShift for running large models on memory-constrained devices. AI

IMPACT Demonstrates efficient large model performance on consumer hardware, potentially enabling more powerful local AI applications.

RANK_REASON User benchmark of a specific model version on particular hardware. [lever_c_demoted from research: ic=1 ai=1.0]

Read on r/LocalLLaMA →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Qwen 3.8 Flash Next 125B benchmarks show strong performance on Apple Silicon

How we ranked this

Signal score
4 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
User benchmark of a specific model version on particular hardware. [lever_c_demoted from research: ic=1 ai=1.0]
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
model release, infra
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. r/LocalLLaMA TIER_1 English(EN) · /u/dave-tro ·

    M4 Pro vs M5 Pro (24GB): Qwen 3.8 Flash Next IQ3 with MoEShift at 374 tok/s prefill, 14.7 tok/s decode, 8.5GB peak memory

    <!-- SC_OFF --><div class="md"><p>I benchmarked <strong>Qwen3.8-Flash-Next 125B</strong> ISTA-DASLab's GSQ-RCO IQ3_XXS quant (76GB on disk), on two Macs with 24GB unified memory using <a href="https://github.com/davide-troiani/moeshift">MoEShift</a> backend:</p> <table><thead> <t…