One of the most talked-about artificial intelligence products of the past year is gone. OpenAI shut down Sora — its text-to-video generation tool — on April 26, ending access to an application that had become one of the company’s most visible consumer-facing products since ChatGPT.

OpenAI launches GPT-5.5, its first fully retrained base model since GPT-4.5, targeting enterprise with agentic coding, computer use, and knowledge work

An updated deal between OpenAI and Microsoft will see the ChatGPT owner able to serve all of its products via cloud providers other than Microsoft. The partnership between Microsoft and OpenAI is a big part of the reason the company was able to quickly expand ChatGPT and other services over the past few years.

So when it comes to models that the general public can access, GPT-5.5 has retaken the crown for OpenAI, achieving the state-of-the-art across 14 benchmarks.

OpenAI is capping off a busy week of announcements with the release of GPT-5.5, its latest model upgrade for ChatGPT and Codex. The company calls its new model “a new class of i

OpenAI said it's closing Sora, the short-form video app that went viral after its launch six months ago. "We're saying goodbye to Sora," the company said in a post on X. "To everyone who created with Sora, shared it, and built community around it: thank you.