Google CEO Sundar Pichai (left) and OpenAI CEO Sam Altman (right).Mateusz Wlodarczyk/NurPhoto via Getty Images; Kevin Dietsch via Getty ImagesSundar Pichai thinks OpenAI might have breached YouTube's terms of service when it trained Sora.The ChatGPT-maker wowed the AI industry when it debuted its text-to-video model in February.OpenAI's CTO Mira Murati said she wasn't sure if Sora was trained on YouTube videos.