Qwen2.5-VL-3B-Instruct vs Qwen3.5-4B

Specs, VRAM requirements and download trends — updated 6 August 2026.

Qwen · A
Params
3.8 B
Context
128,000
30d
8.2 M
Qwen · B
Params
4.7 B
Context
30d
6.7 M
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification Qwen2.5-VL-3B-Instruct Qwen3.5-4B
Parameters 3.8 B 4.7 B
Architecture Qwen2_5_VLForConditionalGeneration Qwen3_5ForConditionalGeneration
Context length 128,000
Licence apache-2.0
Commercial use Unknown Allowed
Languages 1
Downloads 30d 8,170,451 6,725,631
Downloads all time 97.0 M 34.1 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2025-01-26 2026-02-27

Download trend

Daily snapshots, last 10 days (28 Jul – 6 Aug)

8.2 M6.2 M
Qwen2.5-VL-3B-Instruct Qwen3.5-4B

VRAM side by side

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

Qwen3.5-4B · fp16 11.5 GB / 24 GB
✅ Runs comfortably
Qwen2.5-VL-3B-Instruct · fp16 @ 125K ctx 17.5 GB / 24 GB
✅ Runs comfortably

Adjacent comparisons