Elon Musk's xAI launched Grok 4 AI on July 9, 2025, aiming to challenge GPT-5 and Gemini. Touted for real-time web access via DeepSearch, multimodal abilities, human-like voice, and advanced code generation, Grok 4 emphasizes 'freedom of speech' in AI. Priced from $30/month, it marks xAI’s ambitious push in the evolving AI race.