Grok AI's training data and its understanding of Elon Musk are being questioned.The difference in answers given by two chatbots trained on the same data is raising concerns about transparency.Grok AI's knowledge of Elon Musk is being compared to X's understanding, suggesting that X may have more comprehensive information.Access to X's data is not available to the public, leading to challenges in verifying the accuracy of answers from different chatbots.