gpt-oss-20b vs Qwen3.8-27B-MTP-NVFP4

Specs, VRAM requirements and download trends — updated 22 September 2026.

openai · A
Params
21.5 B
Context
131,072
30d
6.6 M
apache-2.0 · commercial OK
sakamakismile · B
Params
27.4 B
Context
30d
200 K
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification gpt-oss-20b Qwen3.8-27B-MTP-NVFP4
Parameters 21.5 B 27.4 B
Architecture GptOssForCausalLM Qwen3_5ForConditionalGeneration
Context length 131,072
Licence apache-2.0 apache-2.0
Commercial use Allowed Allowed
Languages
Downloads 30d 6,646,564 199,900
Downloads all time 98.6 M 282 K
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2025-08-04 2026-08-14

Download trend

57 days of snapshots recorded — chart in 0 days.

98.6 M
gpt-oss-20b · all-time downloads
282 K
Qwen3.8-27B-MTP-NVFP4 · all-time downloads

VRAM side by side

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

Qwen3.8-27B-MTP-NVFP4 · fp16 27.2 GB / 24 GB
❌ Won’t fit
gpt-oss-20b · fp16 @ 128K ctx 82.4 GB / 24 GB
❌ Won’t fit

Adjacent comparisons