Musk Claims Grok 4.5 Ranks Pareto #1 Considering Speed and Cost

Daniel_Farinax · x · 2026-08-01

Elon Musk stated on social media that xAI's Grok 4.5 is the Pareto-optimal (#1) frontier model when considering both inference speed and cost. He cited third-party testing results which also showed Grok 4.5 as the best-performing frontier model.

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