xAI Debuts Grok 4 Alongside $300/Month ‘SuperGrok Heavy’ Plan
Key Takeaways xAI has launched Grok 4 and Grok 4 Heavy, its most advanced AI models to date. The new SuperGrok Heavy subscription costs $300/month, aimed at power users and developers. Grok 4 outperformed competitors in knowledge tests, scoring 25.4% without tools, surpassing OpenAI’s o3 and Gemini 2.5 Pro. Grok 4 Heavy scored 44.4% with…