[xAI · x.ai](<https://x.ai/news/grok-4>)

# Grok 4

Grok 4 is the most intelligent model in the world. It includes native tool use and real-time search integration, and is available now to SuperGrok and Premium+ subscribers, as well as through the xAI API. We are also introducing a new SuperGrok Heavy tier with access to Grok 4 Heavy - the most powerful version of Grok 4.

1. [Releases · SpaceXAI](<https://curation.space/spacexai/releases>)