Artificial Intelligence
xAI Unveils Grok 4.5, Which Musk Calls an 'Opus-Class' Model at Lower Cost
Elon Musk's SpaceXAI released Grok 4.5 on July 8, 2026, built for coding and agentic work. Musk described it as "an Opus-class model, but faster, more token-efficient and lower cost," priced well below rivals' top models.
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