gpt-oss-20b vs granite-4.1-8b

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
ibm-granite · B
Params
8.8 B
Context
131,072
30d
4.2 M
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification gpt-oss-20b granite-4.1-8b
Parameters 21.5 B 8.8 B
Architecture GptOssForCausalLM GraniteForCausalLM
Context length 131,072 131,072
Licence apache-2.0 apache-2.0
Commercial use Allowed Allowed
Languages
Downloads 30d 8,616,555 4,208,265
Downloads all time 87.8 M 5.0 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2025-08-04 2026-04-06

Download trend

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

8.6 M3.8 M
gpt-oss-20b granite-4.1-8b

VRAM side by side

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

granite-4.1-8b · fp16 @ 128K ctx 40.9 GB / 24 GB
❌ Won’t fit
gpt-oss-20b · fp16 @ 128K ctx 82.4 GB / 24 GB
❌ Won’t fit

Adjacent comparisons