Qwen2.5-0.5B vs Qwen2-0.5B
Specs, VRAM requirements and download trends — updated 6 August 2026.
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | Qwen2.5-0.5B | Qwen2-0.5B |
|---|---|---|
| Parameters | 490 M | 490 M |
| Architecture | Qwen2ForCausalLM | Qwen2ForCausalLM |
| Context length | 32,768 | 131,072 |
| Licence | apache-2.0 | apache-2.0 |
| Commercial use | Allowed | Allowed |
| Languages | 1 | 1 |
| Downloads 30d | 2,599,813 | 997,940 |
| Downloads all time | 27.1 M | 14.5 M |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2024-09-15 | 2024-05-31 |
Download trend
Daily snapshots, last 10 days (28 Jul – 6 Aug)
2.7 M990 K
Qwen2.5-0.5B
Qwen2-0.5B
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
Qwen2.5-0.5B · fp16
1.7 GB / 24 GB
Qwen2-0.5B · fp16 @ 128K ctx
2.8 GB / 24 GB