Elon Musk announces grok 4.7 launch in 10 days, claims IT will outperform all AI models

Elon Musk, the world's richest person, announced on September 2, 2026, via X, that Grok 4.7 will be released 10 days later, on September 12, 2026. The model is expected to have 2.1 trillion parameters, a 40% increase from Grok 4.6's 1.5 trillion. In a tweet, Musk stated that Grok 4.7 will outperform all existing models. Cognition tweeted on August 13, 2026, that Grok 4.6 significantly improved over Grok 4.5, surpassing GPT-5.6 Sol and coming second to Opus 5 and Fable 5. Musk retweeted this message and added that Grok 4.7 would surpass all current models.