Elon Musk says X to scrap heuristic: How Grok AI will screen 100M+ posts and videos to personalise feeds

Tech mogul Elon Musk has revealed that X will overhaul its recommendation system over the next few weeks, removing all existing heuristics in favour of a fully AI-driven model.

In a post shared on 17 October, Musk said the platform’s in-house artificial intelligence, Grok, will take over the task of matching users with content they are most likely to enjoy. “The 𝕏 recommendation system is evolving very rapidly.