Qwen3-8B vs gpt-oss-20b

Specs, VRAM requirements and download trends — updated 20 September 2026.

Qwen · A
Params
8.2 B
Context
40,960
30d
12.9 M
apache-2.0 · commercial OK
openai · B
Params
21.5 B
Context
131,072
30d
6.7 M
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification Qwen3-8B gpt-oss-20b
Parameters 8.2 B 21.5 B
Architecture Qwen3ForCausalLM GptOssForCausalLM
Context length 40,960 131,072
Licence apache-2.0 apache-2.0
Commercial use Allowed Allowed
Languages
Downloads 30d 12,931,851 6,708,152
Downloads all time 123.7 M 98.3 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2025-04-27 2025-08-04

Download trend

Daily snapshots, last 55 days (28 Jul – 20 Sep)

16.6 M6.2 M
Qwen3-8B gpt-oss-20b

VRAM side by side

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

Qwen3-8B · fp16 19.7 GB / 24 GB
⚠️ Tight — reduce context
gpt-oss-20b · fp16 @ 128K ctx 82.4 GB / 24 GB
❌ Won’t fit

Adjacent comparisons