Mira Murati, who left OpenAI last year, has helped establish Thinking Machines Lab, a new artificial intelligence start-up.

The AI battlefield just got a lot more intense. OpenAI is scrambling to respond after DeepSeek shook up the industry with an open-weight model that delivers high performance at a fraction of the cost.

Warning! GuruFocus has detected 4 Warning Sign with MSFT. Microsoft security researchers ... U.S. remains ahead in AI but acknowledged that DeepSeek is closing the gap quickly. OpenAI said Chinese ...