The US Department of Defense has reportedly reached a deal to use Elon Musk's Grok in its classified systems, according to Axios. That follows news that the Pentagon is currently in a dispute with another AI company, Anthropic, over limits on its technology for things like mass surveillance. Last year, the White ordered Grok, along with ChatGPT, Gemini and Anthropic's Claude to be approved for government use. Up until now, though, only Anthropic's model has been allowed for the milit...