What is Grok?

Grok is an advanced AI assistant developed by xAI, known for lightning-fast responses, deep reasoning, and real-time access to the latest information via X (formerly Twitter) and the web. Grok supports multimodal inputs including text, images, and soon video, and features natural speech synthesis with emotional range. Integrated with platforms like Tesla and offering robust coding, creative, and collaborative tools, Grok is a versatile AI for personal and professional use in 2025