OpenAI CEO Sam Altman (left) and Safe Superintelligence Inc. founder Ilya Sutskever (right).Jack Guez/AFP via Getty ImagesIlya Sutskever initially pushed for Sam Altman's ouster as OpenAI's CEOSutskever later expressed regret for his decision before leaving the company in May.On Wednesday, Sutskever said he's starting a new company, Safe Superintelligence Inc.