OpenAI, an artificial intelligence research group co-founded by Elon Musk, has created AI software that is not only capable of writing coherent articles and texts, but can actually mimic the writing style of specific individuals, including professional journalists if it is fed articles written by them.

While the OpenAI team has showcased the full algorithm to a number of journalists, it has decided to release only a limited version of the software out of fear that it could otherwise be used for the proliferation of fake news and other malicious purposes. On Sunday, just days after OpenAI announced their breakthrough software, Elon Musk stated that he is parting ways with OpenAI because he “didn’t agree with some of what OpenAI team wanted to do.”

Read more: AI text generator too dangerous to release, say creators