It’s a major shift for the U.S. AI developer, now worth $300 billion. Open weight models allow developers to fine-tune for ...

In a recent AI chess tournament hosted on Kaggle, OpenAI's o3 model triumphed over xAI's Grok 4, securing the title of the ...

When I first heard OpenAI’s CEO Sam Altman hype up ChatGPT-5 as a groundbreaking step toward artificial general intelligence, ...

A quick glimpse of the ChatGPT subreddit (which is not affiliated with OpenAI) shows scathing reviews of GPT-5. Since the ...

The A.I. start-up said its new flagship technology was faster, more accurate and less likely to make stuff up.

Sam Altman-led artificial intelligence (AI) startup OpeAI has achieved a revenue feat, attesting to the company’s dominant position in the technology. A report by The Information, citing a source, ...

OpenAI has unveiled gpt-oss-120b and gpt-oss-20b, its first open-weight models in over four years, since gpt-2. The move ...

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

OpenAI’s new open-weight models are gpt-oss-120b and gpt-oss-20b. The smaller model, gpt-oss-20b, can be run on a consumer ...

GPT-OSS is OpenAI’s first open-weight model in six years. OpenAI is releasing a new open-weight model dubbed GPT-OSS that can ...

GPT-5 is more than an upgrade. It aims to be a single, smarter system that blends reasoning, multimodality, cost efficiency, ...

Sam Altman’s AI model has defeated Elon Musk’s Grok in the first-of-its-kind chess tournament between leading artificial ...