Qwen2.5-1.5B-Instruct vs zeta-2.1-autoround-W4A16

Specs, VRAM requirements and download trends — updated 20 September 2026.

Qwen · A
Params
1.5 B
Context
32,768
30d
7.2 M
apache-2.0 · commercial OK
LeaderboardModel1 · B
Params
2.2 B
Context
32,768
30d
427 K

Specification comparison

Differences are highlighted; identical values are muted.

Specification Qwen2.5-1.5B-Instruct zeta-2.1-autoround-W4A16
Parameters 1.5 B 2.2 B
Architecture Qwen2ForCausalLM LlamaForCausalLM
Context length 32,768 32,768
Licence apache-2.0
Commercial use Allowed Unknown
Languages 1
Downloads 30d 7,239,606 427,115
Downloads all time 218.3 M 429 K
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2024-09-17 2026-05-21

Download trend

Daily snapshots, last 55 days (28 Jul – 20 Sep)

14.2 M197 K
Qwen2.5-1.5B-Instruct zeta-2.1-autoround-W4A16

VRAM side by side

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

Qwen2.5-1.5B-Instruct · fp16 4.1 GB / 24 GB
✅ Runs comfortably
zeta-2.1-autoround-W4A16 · fp16 7.6 GB / 24 GB
✅ Runs comfortably

Adjacent comparisons