San Francisco (Reuters) – Andrej Karpathy, director of artificial intelligence at Tesla Inc who has been on a four-month sabbatical, said on Wednesday that he is leaving the company. “It’s been a great pleasure to help Tesla towards its goals over the last 5 years and a difficult decision to part ways,” Karpathy tweeted, adding that he does not have concrete plans for what’s next. Tesla CEO Elon Musk responded in a tweet: “Thanks for everything you have done for Tesla! It has been an honor working with you.” (Reporting by Hyunjoo Jin; Editing by Leslie Adler)