Grok, an image generation tool, has recently expanded its capabilities to iOS, allowing users to upload images and generate new content. The feature is being positively received, with users noting its impressive performance. Elon Musk highlighted the tool's evolving capabilities, stating that it improves weekly. The new functionality is accessible through the iOS post composer, enabling users to test its image generation features directly on their devices. Overall, Grok's image generation is gaining attention for its talent and effectiveness.