Rhea Purohit in Vibe Check Was this newsletter forwarded to you? Sign up to get it in your inbox. Grok 4 is topping some big AI benchmarks. So why have the responses to it been so mixed? And how come ...

Improved performance, though, means increased risk. In Agent’s system card, OpenAI says it has, for the first time, “decided ...

The Department of Defense’s Chief Digital and Artificial Intelligence Office has awarded contracts totaling nearly $800 ...