It's a whole new world for Mickey, Simba, Stitch and more as Disney brings hundreds of its characters to Sora, the short-form video platform from OpenAI, as part of a three-year licensing agreement.

In interviews with Ars Technica this week, OpenAI employees revealed the extent to which the company now relies on its own AI coding agent, Codex, to build and improve the development tool. “I think the vast majority of Codex is built by Codex,