xAI releases Grok 4.20 Beta2 update, improving instruction adherence and hallucination suppression

xAI official account @grok today released the update notes for Grok 4.20 Beta 2, listing five improvements: enhanced instruction-following capability, reduced capability hallucination, improved quality of scientific text (LaTeX typesetting), increased accuracy in image search triggers, and enhanced reliability in multi-image rendering.

Grok 4.20 entered public testing in late February, and Elon Musk previously stated that this version uses a "fast learning" architecture, with improvements released weekly along with update notes, and encourages users to submit feedback.