xAI unveils Grok 4.5, a significant upgrade powered by 1.5 trillion parameter V9 model

xAI unveils Grok 4.5, a significant upgrade powered by a 1.5 trillion parameter V9 model.

PublishedJun 29, 2026, 04:42 Beijing time

xAI has unveiled Grok 4.5, a major upgrade powered by a 1.5 trillion parameter V9 model. According to Crypto Briefing, the new version brings significant improvements in performance and capabilities. This upgrade demonstrates xAI's continued investment in large language models and could have a major impact on the AI assistant market.

Sources

Source 1: https://news.google.com/rss/articles/CBMiaEFVX3lxTE1va1lHaG5wdVhfTlVhNWhhTTdHc1ZDeGN2SmJYdktEM2ZnTDBYSjRkRk54bXFHMjZ2QVZQX19MLXpsa1FRaHdNb3kzWVlzenZBeWt2S1g4UDR2TTNxSVNtNFRWRkpXRWxH?oc=5

Why it matters

The release of Grok 4.5 intensifies competition in the AI large model space, showcasing xAI's technical prowess.

xAIGrokLarge Language Model