From the website:
Marlowe is a beta reader, developmental editor, and copy editor rolled into one smart, fiction-savvy bot. Her 32-page full-color reports are available in less than 15 minutes and give an unvarnished critique of your novel to strengthen your book’s pacing, story beats, writing and more. And you’ll receive comps, comparing your manuscript to four or more bestselling novels. Created by Matthew Jockers, PhD., co-author of The Bestseller Code, Marlowe [is] updated with the latest developments in AI technology. It’s available through Authors A.I.