opt-125m vs Qwen2-0.5B
Specs, VRAM requirements and download trends — updated 21 September 2026.
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | opt-125m | Qwen2-0.5B |
|---|---|---|
| Parameters | 125 M | 490 M |
| Architecture | OPTForCausalLM | Qwen2ForCausalLM |
| Context length | 2,048 | 131,072 |
| Licence | other | apache-2.0 |
| Commercial use | Unknown | Allowed |
| Languages | 1 | 1 |
| Downloads 30d | 7,015,695 | 709,171 |
| Downloads all time | 213.8 M | 15.8 M |
| Quantizations on the Hub | — | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2022-05-11 | 2024-05-31 |
Download trend
Daily snapshots, last 56 days (28 Jul – 21 Sep)
18.6 M709 K
opt-125m
Qwen2-0.5B
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
Qwen2-0.5B · fp16 @ 128K ctx
2.8 GB / 24 GB