X offers Grok as an AI writing assistant within the post composer, allowing users to draft, refine, shorten, or rephrase posts before publishing. Users tap a Grok icon within the post composer to access writing suggestions.

Within X's post composer, users can tap the Grok icon to receive options for enhancing their post, including spell-check corrections, rephrasing for clarity, shortening, and rewriting in different personalities or tones. Grok can also generate images based on the post's content. This feature is available to all users who have access to Grok on X, with full features gated by subscription tier.