xAI has begun internal beta testing of Grok 4.5 within SpaceX and Tesla, with Elon Musk reportedly stating the model is approaching the capabilities of Anthropic's Claude 3 Opus. This development suggests a significant advancement in xAI's proprietary language model, potentially positioning it as a strong competitor in the AI landscape. AI
IMPACT Grok 4.5's internal beta at SpaceX and Tesla, with claims of approaching Claude 3 Opus, signals a competitive push in advanced AI models.
RANK_REASON Internal beta release of a new frontier model version from a major AI lab (xAI). [lever_c_demoted from frontier_release: ic=2 ai=1.0]
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