Recently, xAI announced a major upgrade to its Grok AI chatbot, promising significant enhancements in performance, even claiming it can compete with Sonnet3.5, particularly in prompt-following capabilities. The upgraded Grok-2 is now available for free to all X platform users, with paid users benefiting from higher usage limits and additional features. According to xAI, Grok-2 is three times faster than its predecessor and has also seen notable improvements in accuracy and language support.