Qwen3-4B vs JiRackUltra_1b
Specs, VRAM requirements and download trends — updated 23 October 2026.
CMSManhattan · B · Open weights
Params
1.8 B
Context
131,072
30d
2.5 M
mit · commercial OK
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | Qwen3-4B | JiRackUltra_1b |
|---|---|---|
| Parameters | 4.0 B | 1.8 B |
| Architecture | Qwen3ForCausalLM | Qwen2ForCausalLM |
| Context length | 40,960 | 131,072 |
| Licence | apache-2.0 | mit |
| Commercial use | Allowed | Allowed |
| Languages | — | 13 |
| Downloads 30d | 11,578,451 | 2,485,543 |
| Downloads all time | 92.7 M | 2.6 M |
| Quantizations on the Hub | SAFETENSORS | GGUF, SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2025-04-27 | 2026-08-02 |
Download trend
Daily snapshots, last 88 days (28 Jul – 23 Oct)
12.6 M307 K
Qwen3-4B
JiRackUltra_1b
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
JiRackUltra_1b · Q4_K_M
2.0 GB / 24 GB
JiRackUltra_1b · fp16 @ 128K ctx
8.7 GB / 24 GB
Qwen3-4B · fp16
10.0 GB / 24 GB