Elon Musk's xAI has begun internal beta testing of its Grok 4.5 model within SpaceX and Tesla. Musk has indicated that Grok 4.5 is approaching the performance level of Anthropic's Claude Opus model. This development follows earlier discussions about the transition from XAI to BWP and XAI to DJF, suggesting ongoing advancements and potential shifts in AI development and exchange. AI
IMPACT Grok 4.5's internal beta and performance claims suggest rapid development in agentic AI, potentially challenging established models like Claude Opus.
RANK_REASON Internal beta release of a new frontier model version (Grok 4.5) by a frontier lab (xAI), with commentary from its CEO.
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