Despite the company's name, OpenAI hasn't dropped an open version of its AI models since GPT-2 in 2019. That changed on Tuesday, as CEO Sam Altman shared two new open-weights, reasoning AI models, ...

"It was clear that if we didn't do it, the world was gonna be mostly built on Chinese open source models," Altman said.

The company has unveiled two new open-weight language models, gpt-oss-120b and gpt-oss-20b, marking the firm's first public release of freely available AI model weights since GPT-2 in 2019, long ...

OpenAI just dropped two new open-weights models. Here's why that isn't the same as being fully open.

OpenAI has finally released its first open-weight large language models since 2019’s GPT-2. These new “gpt-oss” models are available in two different sizes and score similarly to the company ...

Enterprises can use a powerful, near topline OpenAI LLM on their hardware totally privately and securely, without sending data to the cloud.

OpenAI just dropped its first open-weight models in over five years. The two language models, gpt-oss-120b and gpt-oss-20b, can run locally on consumer devices and be fine-tuned for specific purposes.

OpenAI announced Tuesday the launch of two open-weight AI reasoning models with similar capabilities to its o-series. Both are freely available to download from the online developer platform ...

Models and Macs First, gpt-oss comes in two flavors: gpt-oss-20b and gpt-oss-120b. The former is described as a medium open weight model, while the latter is considered a heavy open weight model.

New research reveals open-source AI models use up to 10 times more computing resources than closed alternatives, potentially negating cost advantages for enterprise deployments.