CoreWeave, an artificial intelligence startup backed by Nvidia NVDA.O, has signed a five-year contract worth $11.9 billion with OpenAI to provide cloud computing services ahead of its hotly ...
On Wednesday morning, OpenAI announced via an X post that it began rolling out GPT-4.5 to ChatGPT Plus users. When first announced, OpenAI shared that the full rollout could take one to three hours.