OpenAI just unveiled HUGE developer updates at DevDay 2025 - Apps in ChatGPT, Agent Builder, Sora in the API, and Codex updates that can handle day-long tasks. In this exclusive conversation, Rowan Cheung (@ rowancheung ) sat down with OpenAI CEO Sam Altman (@ sama ) to unpack: Sam's Sora AI deepfakes going viral Zero-person billion dollar companies run by agents AI starting to make scientific discoveries on Twitter ChatGPT's 800M weekly users and the new distribution platform __ Join our daily AI newsletter: https://www.therundown.ai/subscribe Learn AI hands-on with our AI University: https://rundown.ai/ai-university/