Model benchmarks

Qwen3.8-Flash-Next-UD-IQ3_XXS local LLM performance

As of November 2026, Qwen3.8-Flash-Next-UD-IQ3_XXS runs at up to 140.9 tok/s for local inference (best of 2 community benchmark runs across 1 GPU).

oMLX
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Model size

Unknown

Peak speed

140.9 tok/s

Average speed

128.6 tok/s

Avg PP

2082.0 tok/s

Min memory

58.6 GB

Max context

65,536 tokens

Avg output / run

36,512 tokens

Avg runtime / run

4m 47s

Avg quality

76.0

Benchmark runs

2

GPUs tested

1

Quality by task

Average LLM-judged quality (0–100) with the run-to-run spread shown as a P5–P95 band, overall and for each benchmark task, across all 2 runs. The low and high columns show how much the judge’s score varies between runs, and need at least two runs to display.

TaskP5 (low)AvgP95 (high)
Overall75.476.076.6
Agent Workflow78.085.693.1
Code Generation24.445.967.4
Role Play & Narrative79.887.795.6
Research & Analysis81.384.988.5

Performance by hardware and tool

Every hardware/tool/quantization combination Qwen3.8-Flash-Next-UD-IQ3_XXS has been benchmarked on, ranked by peak token generation speed. Last updated November 2026.

HardwareToolQuantBest tok/sAvg tok/sMemoryContextQualityRuns
Apple M5 UltraoMLX—140.9 tok/s128.6 tok/s58.6 GB65,536 tokens76.02

Benchmark runs

All 2 Qwen3.8-Flash-Next-UD-IQ3_XXS runs submitted so far — expand one for its hardware, quality breakdown and per-scenario detail.

Frequently asked questions

Is Qwen3.8-Flash-Next-UD-IQ3_XXS good for coding?
In our benchmarks, Qwen3.8-Flash-Next-UD-IQ3_XXS scores 45.9/100 for coding. It runs at about 128.6 tok/s, so if you want more speed, Qwen3.6-35B-A3B-Q4_K_XL is faster (~156.9 tok/s) and still scores well for coding (82.2/100).
Is Qwen3.8-Flash-Next-UD-IQ3_XXS good for agentic (tool-using) tasks?
In our benchmarks, Qwen3.8-Flash-Next-UD-IQ3_XXS scores 85.6/100 for agentic workflows. It runs at about 128.6 tok/s, so if you want more speed, swift-1.5-qwen3.8-flash-next-iq3_s is faster (~259.0 tok/s) and still scores well for agentic workflows (88.9/100).
How fast is Qwen3.8-Flash-Next-UD-IQ3_XXS for local inference?
Across 2 community benchmark runs, Qwen3.8-Flash-Next-UD-IQ3_XXS reaches up to 140.9 tok/s and averages 128.6 tok/s, with the fastest results on Apple M5 Ultra.
How much memory does Qwen3.8-Flash-Next-UD-IQ3_XXS need?
The leanest observed configuration used about 58.6 GB of memory.
Which tools have been used to run Qwen3.8-Flash-Next-UD-IQ3_XXS?
Benchmarks were submitted using oMLX. Results are community-contributed and updated as new runs arrive.