Leading the AI infrastructure push: A look back at how 2025 played out for Sam Altman and OpenAI

By 2025, OpenAI under Sam Altman had shifted AI from novelty to critical infrastructure, with ChatGPT driving growth and vast spending on compute. Altman pushed autonomous agents, massive data centres and long-term bets despite losses. He acknowledged bubbles, fierce competition and regulation risks, but argued AI’s economic impact would be transformational.