xAI co-founder Tony Wu says he "resigned", following co-founder Igor Babuschkin's exit in August 2025; Wu was in charge of reasoning and reported to Elon Musk (Juro Osawa/The Information)

xAI co-founder Tony Wu says he "resigned", following co-founder Igor Babuschkin's exit in August 2025; Wu was in charge of reasoning and reported to Elon Musk (Juro Osawa/The Information) - Tech Sentiments