Sam Altman, the OpenAI chief executive, appeared to snap at one user who asked about the company’s long-promised new voice features. OpenAI’s voice tools has proven controversial since it emerged that one sounded remarkably similar to Scarlett Johanson, who said that she had not given permission for her likeness to be used.

ChatGPT maker OpenAI unveiled a new artificial intelligence (AI) model Thursday that it says can “reason through complex tasks and solve harder problems” than its earlier models. The latest

The ChatGPT maker says its new AI models "spend more time thinking before they respond," but we shouldn't get too carried away just yet.