This is CNBC's live blog covering Microsoft's press event from its headquarters, where the company announced a new AI-powered Bing homepage that you can chat with, and an update to its Edge browser.

The big headlines on this release are efficiency, with OpenAI reporting that GPT-5.4 uses far fewer tokens (47% fewer on some ...

Microsoft upgrades Bing Video Creator with OpenAI’s Sora 2, enabling higher-quality AI video generation with audio and improved visuals.

Searching Bing for ChatGPT, Grok, Gemini, or other AI tools now displays a shortcut to Microsoft Copilot. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

GPT-5, the ChatGPT upgrade so many users have been waiting for, started rolling out on Thursday, right after OpenAI concluded its GPT-5 livestream. The next-generation AI experience is available to ...

In a matter of hours, developers were using Open AI's new software to design websites, create legal documents, and make games.

OpenAI's much-hyped GPT-5 model is available now, and if you're a Microsoft Copilot user, you can get it for free. Today on Microsoft's website, the firm announced that OpenAI's "best AI model to date ...

The 2026 CNBC Disruptor 50 list will be revealed Tuesday, May 19th OpenAI on Thursday announced GPT-5, its latest and most advanced AI model. The company said the model is smarter, faster and more ...