Sam Altman said that OpenAI's new GPT-oss, comprising a 120b and 20b version, is the "best and most usable open model in the world." ...

OpenAI is releasing models with open weights—but key details like architecture and training methods remain secret.

Despite the company's name, OpenAI hasn't dropped an open version of its AI models since GPT-2 in 2019. That changed on ...

Amazon is offering OpenAI’s new open-weight AI models on Bedrock and SageMaker, bypassing Microsoft’s Azure exclusivity via ...

Amazon Web Services (AWS) has expanded its generative AI offerings by integrating OpenAI's new open weight foundation models, gpt-oss-120b and gpt-oss-20b, into its cloud platform.

OpenAI has launched a new artificial intelligence model called GPT-OSS, making it available for free to developers, researchers, and companies ...

OpenAI released two new AI models on Tuesday whose “weights,” or the settings that determine how the models respond to questions, are free and available for developers to download, otherwise known as ...

OpenAI on Tuesday released two new artificial intelligence (AI) models that can be downloaded for free and altered by users, ...

OpenAI today released its first open-weight AI models in more than five years, and Amazon said it will make them available on its Bedrock and Sagemaker platforms — marking the… Read More ...

OpenAI has released two new open-weight language models, marking a major shift in its strategy. The models, named gpt-oss-120b and gpt-oss-20b, can be run locally on personal devices and fine-tuned ...

OpenAI has launched Harmony, a mandatory new response format for its gpt-oss models, designed to structure agentic workflows ...