gpt-oss-20b

openai

openai/gpt-oss-20b

GenerationOpen weightsApache 2.0Verified metrics

View on Hugging Face ↗

About

OpenAI’s smaller open-weight mixture-of-experts release, roughly 21B total parameters with about 3.6B active per token.

Metrics

Downloads

5,950,578

last 30 days

Hub likes

5,149

Parameters

20.9B

published total

How it compares in Generation

Sizegpt-oss-20b sits in 10-100B — larger than 68% of the 1001 models in this category with a published size.

<1B87

1-10B476

10-100B338

>100B100

Details

Model ID: openai/gpt-oss-20b
Developer: openai
Category: Generation
Access: Open weights
License: Apache 2.0
Source: Hugging Face
Data provenance: Metrics fetched per-model from the Hugging Face API.
Link: https://huggingface.co/openai/gpt-oss-20b

More from openai

gpt-oss-120bopenai/gpt-oss-120bGeneration gpt-oss-safeguard-20bopenai/gpt-oss-safeguard-20bGeneration GPT Astra LatestGPT Astra LatestGeneration GPT Sol LatestGPT Sol LatestGeneration GPT Terra LatestGPT Terra LatestGeneration GPT Luna LatestGPT Luna LatestGeneration

Other Generation models

Qwen3-0.6BQwen/Qwen3-0.6BGeneration gpt2openai-community/gpt2Generation Qwen3-8BQwen/Qwen3-8BGeneration Qwen3.6-35B-A3B-NVFP4nvidia/Qwen3.6-35B-A3B-NVFP4Generation opt-125mfacebook/opt-125mGeneration OTel-2.0-LLM-31B-ITfarbodtavakkoli/OTel-2.0-LLM-31B-ITGeneration