Is Grok Losing the AI Race? Elon Musk Says Claude is Better “For Now”

Elon Musk has called Anthropic’s Claude Opus 5.5 a masterpiece in a rare admission about a rival. He also acknowledged that xAI’s upcoming Grok 4.8 will fall short. However, Musk insists Grok 5 could overtake Anthropic’s flagship model within months. Elon Musk Talks About Claude AI On Tuesday, Musk replied to an X user who asked how Grok 4.8 would compare. “Opus 5.5 is a masterpiece,” Musk wrote on X, adding that Grok 4.8 would be “not as good.” Anthropic released Opus 5.5 on September 22. The company says it performs comparably to its higher-end Fable 5.1 on most work. Moreover, it costs 40% less to run than the previous Opus model on typical workloads. On Terminal-Bench 4.0, Anthropic reported a 65.76% score.

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