After a former lead writer claimed Saber “replaced me with ChatGPT,” CEO Matthew Karch now claims, “Neither Saber nor Unigine have replaced any writers with AI,” for the Rideshare “Stimulator” game announced last month, developed by Unigine. Saber denies replacing Rideshare Stimulator’s…This story appeared on theverge.com , 2026-08-12 00:39:26.