Qwen2.5-1.5B-Instruct vs OLMo-2-0425-1B

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

Qwen · A
Params
1.5 B
Context
32,768
30d
14.0 M
apache-2.0 · commercial OK
allenai · B
Params
1.5 B
Context
4,096
30d
618 K
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification Qwen2.5-1.5B-Instruct OLMo-2-0425-1B
Parameters 1.5 B 1.5 B
Architecture Qwen2ForCausalLM Olmo2ForCausalLM
Context length 32,768 4,096
Licence apache-2.0 apache-2.0
Commercial use Allowed Allowed
Languages 1 1
Downloads 30d 13,977,170 618,480
Downloads all time 206.3 M 5.6 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2024-09-17 2025-04-17

Download trend

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

14.2 M468 K
Qwen2.5-1.5B-Instruct OLMo-2-0425-1B

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
OLMo-2-0425-1B · fp16 7.3 GB / 24 GB
✅ Runs comfortably

Adjacent comparisons