OpenAI has released 2 new open-source models

OpenAI has released two new open-source models — gpt-oss-20b and gpt-oss-120b, designed to run on desktops, laptops, and in data centers. Both models are licensed under Apache 2.0, allowing free use, adaptation, and commercial deployment without restrictions.

They support chain-of-thought reasoning, can execute code, and interact with tools, while also offering improved memory and customization capabilities. The models have undergone extensive safety testing and do not exhibit high levels of risk even in cases of malicious fine-tuning.

Developers can already test the models in the browser via a special playground, as well as download them from Hugging Face and GitHub. OpenAI is working with hardware and infrastructure partners to support the open AI stack.

Source: openai.com