On July 23, 2026, the official @grok account posted that Grok 4.5 is now available across grok.com, X, and the iOS and Android apps.
Grok 4.5, our most capable model yet, is now available across https://t.co/f3u3RwhHjk, X, and the iOS and Android apps.
What was announced
- Grok 4.5 is described as the most capable model yet.
- It is now accessible via the grok.com website, the X platform, and the official iOS and Android apps.
Context
Grok is xAI’s conversational AI model family, previously released in earlier versions on the same platforms mentioned in the post.
Limits of this report
This article contains only the details stated in the source post and does not include performance data, feature lists, benchmarks, pricing, or any future plans.