In Brief Posted: 7:00 AM PDT · August 24, 2025 Image Credits:Andrey Rudakov / Bloomberg / Getty Images Elon Musk’s xAI has made an older version of its AI model Grok — specifically, the model weights used to shape Grok 2.5 —  available on the open source platform Hugging Face. “The @xAI Grok 2.5 model, which was our best model last year, is now open source,” Musk wrote on X. He added that Grok 3 “will be made open source in about 6 months.” AI engineer Tim Kellogg described the Grok license as “...