gpt-oss-120b vs Ornith-1.0-397B-FP8

Specs, VRAM requirements and download trends — updated 21 September 2026.

openai · A
Params
120.4 B
Context
131,072
30d
5.0 M
apache-2.0 · commercial OK
deepreinforce-ai · B
Params
397.0 B
Context
30d
673 K
mit · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification gpt-oss-120b Ornith-1.0-397B-FP8
Parameters 120.4 B 397.0 B
Architecture GptOssForCausalLM Qwen3_5MoeForConditionalGeneration
Context length 131,072
Licence apache-2.0 mit
Commercial use Allowed Allowed
Languages
Downloads 30d 5,008,854 672,806
Downloads all time 57.0 M 771 K
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2025-08-04 2026-06-25

Download trend

Daily snapshots, last 56 days (28 Jul – 21 Sep)

5.5 M631 K
gpt-oss-120b Ornith-1.0-397B-FP8

VRAM side by side

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

gpt-oss-120b · fp16 @ 128K ctx 433.0 GB / 24 GB
❌ Won’t fit
Ornith-1.0-397B-FP8 · fp16 505.7 GB / 24 GB
❌ Won’t fit

Adjacent comparisons