OpenAI on Tuesday released two new artificial intelligence (AI) models that can be downloaded for free and altered by users, to challenge similar offerings by US and Chinese competition.

The release of gpt-oss-120b and gpt-oss-20b "open-weight language models" comes as the ChatGPT-maker is under pressure to share inner workings of its software in the spirit of its origin as a nonprofit.

"Going back to when we started in 2015, OpenAI's mission is to ensure AGI (Artificial General Intelligence) that benefits all of humanity," said OpenAI chief executive Sam Altman.

An open-weight model, in the context of generative AI, is one in which the trained parameters are made public, enabling users to fine-tune it.

Meta touts its open-source approach to AI, and Chinese AI startup DeepSeek ra

See Full Page