Qwen3-4B vs Qwen3-4B-Thinking-2507-FP8

Specs, VRAM requirements and download trends — updated 6 August 2026.

Qwen · A
Params
4.0 B
Context
40,960
30d
4.6 M
apache-2.0 · commercial OK
Qwen · B
Params
4.4 B
Context
262,144
30d
205 K
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification Qwen3-4B Qwen3-4B-Thinking-2507-FP8
Parameters 4.0 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 4,598,181 204,861
Downloads all time 70.7 M 2.4 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)

4.6 M204 K
Qwen3-4B Qwen3-4B-Thinking-2507-FP8

VRAM side by side

On RTX 4090 · 24 GB · 8K context unless noted

Qwen3-4B · fp16 10.0 GB / 24 GB
✅ Runs comfortably
Qwen3-4B-Thinking-2507-FP8 · fp16 @ 256K ctx 27.4 GB / 24 GB
❌ Won’t fit

Adjacent comparisons