March 29 (Reuters) - Elon Musk's artificial intelligence startup xAI's latest Grok-1.5 chatbot will be available on his social media platform X next week, the billionaire said in a post on X on Friday.

"Grok 2 should exceed current AI on all metrics. In training now," Musk added. (Reporting by Arsheeya Bajwa in Bengaluru)