Qwen3-8B vs Qwen3-4B-unsloth-bnb-4bit

Specs, VRAM requirements and download trends — updated 2 September 2026.

Qwen · A · Open weights
Params
8.2 B
Context
40,960
30d
6.8 M
apache-2.0 · commercial OK
unsloth · B · Open weights
Params
4.1 B
Context
40,960
30d
188 K
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification Qwen3-8B Qwen3-4B-unsloth-bnb-4bit
Parameters 8.2 B 4.1 B
Architecture Qwen3ForCausalLM Qwen3ForCausalLM
Context length 40,960 40,960
Licence apache-2.0 apache-2.0
Commercial use Allowed Allowed
Languages — 1
Downloads 30d 6,837,564 187,861
Downloads all time 137.6 M 1.5 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2025-04-27 2025-04-28

Download trend

Daily snapshots, last 90 days (13 Aug – 10 Nov)

16.4 M176 K
Qwen3-8B Qwen3-4B-unsloth-bnb-4bit

VRAM side by side

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

Qwen3-4B-unsloth-bnb-4bit · fp16 5.0 GB / 24 GB
✅ Runs comfortably
Qwen3-8B · fp16 19.7 GB / 24 GB
⚠️ Tight — reduce context

Adjacent comparisons