gpt-oss-120b and gpt-oss-20b Now Publicly Available for Download and Use
In a major shift toward openness, OpenAI has released two powerful language models โ gpt-oss-120b and gpt-oss-20b โ for free public use, marking its most significant open-weight release in years. The move signals a return to its original mission of making artificial general intelligence (AGI) accessible to all, after years of operating more like a traditional tech company.
The newly released models are text-only, high-performance language models optimized for low operational cost. They can be downloaded, modified, and deployed on local systems โ allowing developers, startups, and researchers to leverage advanced AI without relying on proprietary platforms or costly cloud services.
โThis is the first time weโre releasing an open-weight language model in quite a while โ and itโs incredibly exciting,โ said Greg Brockman, co-founder and president of OpenAI.
Leveling the Playing Field for Developers and Researchers
By making the trained model parameters openly available, OpenAI is enabling greater experimentation and customization across the AI ecosystem. The models can be fine-tuned for a wide variety of tasks, such as natural language processing, web search, code execution, and more.
โThese models are designed to support new types of research and innovative products,โ said CEO Sam Altman, reaffirming the organizationโs founding vision to ensure AGI benefits all of humanity. OpenAI emphasized that safety features have been built in to minimize misuse, blending transparency with responsible deployment.
A Strategic Pivot in a Shifting AI Landscape
The release follows growing demand for openness in AI development. Competitors like Meta and DeepSeek have been pushing open-source initiatives, increasing pressure on OpenAI to do the same.
The announcement also comes on the heels of internal debates and external criticism โ including a high-profile lawsuit by co-founder Elon Musk โ over OpenAI’s direction and governance. Earlier this year, the company reaffirmed its nonprofit oversight model, signaling a renewed commitment to transparency.
With partnerships already underway with companies like Snowflake and Orange, OpenAIโs open-weight models are expected to have real-world impact across industries. This latest move could prove to be a turning point in AI accessibility, unlocking powerful tools for smaller players worldwide.

