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ModelsJul 22, 2026, 12:00 UTCUpdated Aug 11, 2026

Grok 4.5 Now Available on iOS, Android, Web, and X

xAI introduces its most advanced model across multiple platforms

xAI has launched Grok 4.5, its most capable AI model to date, across several platforms including grok.com, X, iOS, and Android. This update enhances the model’s ability to understand user queries more accurately and maintain context over longer conversations. Grok 4.5 delivers clearer and more reliable responses, making it useful for a variety of tasks such as explaining complex topics, planning trips, or evaluating purchases. The model also improves efficiency in reasoning, providing faster answers to difficult questions. Beyond answering queries, Grok 4.5 supports productivity by generating spreadsheets, creating slides and diagrams from outlines, drafting prose, and summarizing lengthy PDFs. It integrates directly with Microsoft 365 applications like Word, Excel, PowerPoint, and Outlook through dedicated add-ins, enabling seamless workflow support whether on desktop or mobile devices. This broad availability aims to assist users in knowledge work across different environments.

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