Elon Musk Announces Grok 4.20 AI Launch Soon
Elon Musk confirmed xAI’s Grok 4.20 will launch in 3–4 weeks, likely late December or early January. The model, spotted on Alpha Arena, outperformed GPT-5.1 and Gemini 3 Pro in simulated stock trading. Grok 4.20 promises better reasoning, financial analysis, and real-world problem-solving, while full features will be revealed at launch.