In Brief 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 “custom with some anti-competitive terms.” Grok, which is prominently featured on X (which in turn recently merged with xAI), has created considerable controversy...
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