According to 1M AI News, on March 3, the xAI official account @grok released an update note for Grok 4.20 Beta 2, listing five improvements: enhanced instruction following, reduced capability hallucination, improved scientific text quality (LaTeX rendering), increased precision in image search triggering, and enhanced reliability in multi-image rendering.
Grok 4.20 entered public testing in late February; previously, Elon Musk stated that this version uses a "fast learning" architecture, with weekly improvements and update notes, and encourages users to submit feedback.
