gpt-oss-20b vs Qwen3.5-122B-A10B-NVFP4

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

openai · A
Params
21.5 B
Context
131,072
30d
8.6 M
apache-2.0 · commercial OK
txn545 · B
Params
64.4 B
Context
30d
162 K
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification gpt-oss-20b Qwen3.5-122B-A10B-NVFP4
Parameters 21.5 B 64.4 B
Architecture GptOssForCausalLM Qwen3_5MoeForConditionalGeneration
Context length 131,072
Licence apache-2.0 apache-2.0
Commercial use Allowed Allowed
Languages
Downloads 30d 8,616,555 162,485
Downloads all time 87.8 M 852 K
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2025-08-04 2026-02-24

Download trend

Daily snapshots, last 10 days (28 Jul – 6 Aug)

8.6 M162 K
gpt-oss-20b Qwen3.5-122B-A10B-NVFP4

VRAM side by side

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

gpt-oss-20b · fp16 @ 128K ctx 82.4 GB / 24 GB
❌ Won’t fit
Qwen3.5-122B-A10B-NVFP4 · fp16 101.3 GB / 24 GB
❌ Won’t fit

Adjacent comparisons