Qwen3.5-4B vs moondream2

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

Qwen · A
Params
4.7 B
Context
30d
6.7 M
apache-2.0 · commercial OK
vikhyatk · B
Params
1.9 B
Context
30d
2.6 M
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification Qwen3.5-4B moondream2
Parameters 4.7 B 1.9 B
Architecture Qwen3_5ForConditionalGeneration HfMoondream
Context length
Licence apache-2.0 apache-2.0
Commercial use Allowed Allowed
Languages
Downloads 30d 6,725,631 2,621,574
Downloads all time 34.1 M 34.9 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2026-02-27 2024-03-04

Download trend

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

6.7 M2.3 M
Qwen3.5-4B moondream2

VRAM side by side

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

moondream2 · fp16 5.0 GB / 24 GB
✅ Runs comfortably
Qwen3.5-4B · fp16 11.5 GB / 24 GB
✅ Runs comfortably

Adjacent comparisons