OpenAI and NVIDIA launch open-weight AI models optimized for reasoning, available to developers worldwide at full scale.

A curious detail of OpenAI's popular AI models—like the GPT-4o model used in ChatGPT—is that despite the name, OpenAI's ...

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

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

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

OpenAI said on Tuesday it has released two open-weight language models that excel in advanced reasoning and are optimized to run on laptops with performance levels similar to its smaller proprietary ...

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

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 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 ...