Overview

• xAI launched Grok 4 and Grok 4 Heavy on July 11 with claimed doctoral-level expertise and a multi-agent architecture enabling simultaneous problem-solving
• The models offer multimodal capabilities including text, image and sound processing, introduce voice interaction and maintain web access with video features under development
• Grok’s prior antisemitic and extremist outputs triggered a temporary disablement and prompted xAI to implement enhanced hate-speech safeguards
• Regulators in Turkey have suspended access to Grok and the European Union has opened an investigation into potential hate-speech violations
• Elon Musk says Grok will roll out in Tesla vehicles next week and the AI is available free to X Premium+ users with a $300 per month tier for Grok 4 Heavy