Qwen2.5-1.5B vs OLMo-2-0425-1B
Specs, VRAM requirements and download trends — updated 12 September 2026.
allenai · B · Open weights
Params
1.5 B
Context
4,096
30d
190 K
apache-2.0 · commercial OK
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | Qwen2.5-1.5B | OLMo-2-0425-1B |
|---|---|---|
| Parameters | 1.5 B | 1.5 B |
| Architecture | Qwen2ForCausalLM | Olmo2ForCausalLM |
| Context length | 131,072 | 4,096 |
| Licence | apache-2.0 | apache-2.0 |
| Commercial use | Allowed | Allowed |
| Languages | 1 | 1 |
| Downloads 30d | 541,078 | 190,018 |
| Downloads all time | 15.9 M | 7.2 M |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2024-09-15 | 2025-04-17 |
Download trend
Daily snapshots, last 90 days (13 Aug – 10 Nov)
1.1 M190 K
Qwen2.5-1.5B
OLMo-2-0425-1B
A overtook B on 27 Sep
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
OLMo-2-0425-1B · fp16
7.3 GB / 24 GB
Qwen2.5-1.5B · fp16 @ 128K ctx
7.6 GB / 24 GB