Qwen3-8B vs Qwen3-4B-Instruct-2507-FP8
Specs, VRAM requirements and download trends — updated 6 August 2026.
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | Qwen3-8B | Qwen3-4B-Instruct-2507-FP8 |
|---|---|---|
| Parameters | 8.2 B | 4.4 B |
| Architecture | Qwen3ForCausalLM | Qwen3ForCausalLM |
| Context length | 40,960 | 262,144 |
| Licence | apache-2.0 | apache-2.0 |
| Commercial use | Allowed | Allowed |
| Languages | — | — |
| Downloads 30d | 16,272,885 | 1,164,816 |
| Downloads all time | 103.2 M | 5.9 M |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2025-04-27 | 2025-08-06 |
Download trend
Daily snapshots, last 10 days (28 Jul – 6 Aug)
16.6 M1.0 M
Qwen3-8B
Qwen3-4B-Instruct-2507-FP8
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
Qwen3-8B · fp16
19.7 GB / 24 GB
Qwen3-4B-Instruct-2507-FP8 · fp16 @ 256K ctx
27.4 GB / 24 GB