Model benchmarks

qwen3.5-4b-mlx local LLM performance

As of November 2026, qwen3.5-4b-mlx runs at up to 84.2 tok/s for local inference (best of 4 community benchmark runs across 3 GPUs).

LM StudioOllama4bit8bitnvfp4
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Model size

4B

Peak speed

84.2 tok/s

Average speed

67.0 tok/s

Avg PP

1886.8 tok/s

Min memory

4.6 GB

Max context

65,536 tokens

Avg output / run

15,596 tokens

Avg runtime / run

5m 8s

Avg quality

57.9

Benchmark runs

4

GPUs tested

3

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 4 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)
Overall47.757.968.4
Agent Workflow45.659.968.7
Code Generation19.938.161.0
Role Play & Narrative63.170.275.1
Research & Analysis52.263.269.9

Performance by hardware and tool

Every hardware/tool/quantization combination qwen3.5-4b-mlx has been benchmarked on, ranked by peak token generation speed. Last updated November 2026.

HardwareToolQuantBest tok/sAvg tok/sMemoryContextQualityRuns
Apple M1 MaxLM Studio4bit84.2 tok/s81.4 tok/s4.6 GB65,536 tokens57.62
Apple M5 ProOllamanvfp471.9 tok/s71.9 tok/s5.0 GB32,768 tokens46.61
Apple M1 ProLM Studio8bit33.4 tok/s33.4 tok/s8.4 GB32,768 tokens69.71

Benchmark runs

All 4 qwen3.5-4b-mlx runs submitted so far — expand one for its hardware, quality breakdown and per-scenario detail.

Frequently asked questions

Is qwen3.5-4b-mlx good for coding?
In our benchmarks, qwen3.5-4b-mlx scores 38.1/100 for coding. It runs at about 67.0 tok/s, so if you want more speed, ornith-ai/Ornith-1.5-35B-A3B-GGUF is faster (~80.3 tok/s) and still scores well for coding (82.1/100).
Is qwen3.5-4b-mlx good for agentic (tool-using) tasks?
In our benchmarks, qwen3.5-4b-mlx scores 59.9/100 for agentic workflows. It runs at about 67.0 tok/s, so if you want more speed, Nex-N2.5-mini-APEX-Mini is faster (~88.2 tok/s) and still scores well for agentic workflows (91.3/100).
How fast is qwen3.5-4b-mlx for local inference?
Across 4 community benchmark runs, qwen3.5-4b-mlx reaches up to 84.2 tok/s and averages 67.0 tok/s, with the fastest results on Apple M1 Max.
How much memory does qwen3.5-4b-mlx need?
The leanest observed configuration used about 4.6 GB of memory (quantizations tested: 4bit, 8bit, nvfp4).
Which tools have been used to run qwen3.5-4b-mlx?
Benchmarks were submitted using LM Studio, Ollama. Results are community-contributed and updated as new runs arrive.