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Morning Edition · Monday, June 29, 2026

xAI Says Grok 4.5 Runs on a 1.5-Trillion-Parameter Foundation, but Only in Private Beta

Elon Musk announced the model on his social platform with internal evaluations and no public access, citing training data drawn in part from Cursor.

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xAI Says Grok 4.5 Runs on a 1.5-Trillion-Parameter Foundation, but Only in Private Beta

xAI's Grok 4.5 is built on a new foundation model called V9 that carries 1.5 trillion parameters, roughly three times the 0.5 trillion of the earlier V8-small architecture, according to a post on Elon Musk's account and aggregated technical…

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Part of a tracked trend

AI Hype Cycles and Funding Narratives

As capital floods AI, the narratives labs use to raise money and shape rules face growing public scrutiny, and the market increasingly separates verifiable capability and revenue from rhetoric on both the bullish and the cautionary side.

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