Grok 4.6 is xAI’s August 2026 release (xAI). The newsletter records it rejoining the frontier at a fraction of the cost and on par with GPT-5.6 Sol Max, with Elon Musk promising a SpaceX-data-marinated 4.7 within a month. It follows Grok 4.20 in the corpus’s Grok lineage.
AISystem
Grok 4.6
xAI's August 2026 model, reported to rejoin the frontier at a fraction of the cost and on par with GPT-5.6 Sol Max.
Sources
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- Welcome to August 13, 2026 (theinnermostloop.substack.com)
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