OpenAI News Today, December 5, 2025: Australia AI Megacampus, Neptune.ai Deal, LSEG Tie‑Up and More
Published: December 5, 2025 OpenAI’s Friday news cycle is packed: a multibillion‑dollar AI campus in Australia, a new acquisition to sharpen its model‑training stack, a major Wall Street data partnership, and fresh deals in travel and chip supply. At the