Qwen3-4B vs Qwen2.5-Math-1.5B-Instruct
Specs, VRAM requirements and download trends — updated 20 September 2026.
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | Qwen3-4B | Qwen2.5-Math-1.5B-Instruct |
|---|---|---|
| Parameters | 4.0 B | 1.5 B |
| Architecture | Qwen3ForCausalLM | Qwen2ForCausalLM |
| Context length | 40,960 | 4,096 |
| Licence | apache-2.0 | apache-2.0 |
| Commercial use | Allowed | Allowed |
| Languages | — | 1 |
| Downloads 30d | 7,098,338 | 298,967 |
| Downloads all time | 80.4 M | 2.8 M |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2025-04-27 | 2024-09-16 |
Download trend
Daily snapshots, last 55 days (28 Jul – 20 Sep)
7.3 M160 K
Qwen3-4B
Qwen2.5-Math-1.5B-Instruct
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
Qwen2.5-Math-1.5B-Instruct · fp16
4.1 GB / 24 GB
Qwen3-4B · fp16
10.0 GB / 24 GB