Researchers are testing how well the open model can perform scientific tasks — in topics from mathematics to cognitive neuroscience.

Internal company documents confirm that TikTok’s Chinese parent company, ByteDance, has been using OpenAI’s GPT model to build a competitor, in violation of its license with Microsoft.

A novel approach from the Allen Institute for AI enables data to be removed from an artificial intelligence model even after it has already been used for training.

The Chinese start-up used several technological tricks, including a method called “mixture of experts,” to significantly reduce the cost of building the technology.