Qwen3.5-4B vs Qwen3.8-27B-MLX-8bit

Specs, VRAM requirements and download trends — updated 24 October 2026.

Qwen · A · Open weights
Params
4.7 B
Context
—
30d
7.5 M
apache-2.0 · commercial OK
lmstudio-community · B · Open weights
Params
8.0 B
Context
—
30d
3.6 M
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification Qwen3.5-4B Qwen3.8-27B-MLX-8bit
Parameters 4.7 B 8.0 B
Architecture Qwen3_5ForConditionalGeneration Qwen3_5ForConditionalGeneration
Context length — —
Licence apache-2.0 apache-2.0
Commercial use Allowed Allowed
Languages — —
Downloads 30d 7,468,587 3,583,711
Downloads all time 54.2 M 9.6 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2026-02-27 2026-08-14

Download trend

Daily snapshots, last 89 days (28 Jul – 24 Oct)

8.1 M996 K
Qwen3.5-4B Qwen3.8-27B-MLX-8bit

VRAM side by side

On RTX 4090 · 24 GB · 8K context unless noted

Qwen3.5-4B · fp16 11.5 GB / 24 GB
✅ Runs comfortably
Qwen3.8-27B-MLX-8bit · fp16 34.2 GB / 24 GB
❌ Won’t fit

Adjacent comparisons