Pyyan / Open-Weight Models / gpt-oss-20b

gpt-oss-20b

Smaller open-weight release.

currentOpenAI ↗Verified 2026-08-13

20B

parameters

Specifications

Licence	Open weights
Parameters	20B
Released	Aug 2025

Official links

OpenAI official site

Compare with

All 5 side by side →

gpt-oss-20b vs DeepSeek V4-Pro →gpt-oss-20b vs Kimi K3 →gpt-oss-20b vs GLM-5.2 →gpt-oss-20b vs Qwen3-235B-A22B →gpt-oss-20b vs Llama 5 →

Also in Open-Weight Models

DeepSeek V4-Pro · DeepSeek Kimi K3 · Moonshot AI GLM-5.2 · Zhipu AI Qwen3-235B-A22B · Alibaba Llama 5 · Meta