Tell HN: GPT5.6 Is Imminent?

When using Codex with GPT5.5, I saw "Selected model is at capacity. Please try a different model."

This has never happened to me with Codex before.

So this means they've begun re-allocating the serving provisions. They've switched a large portion of 5.5 serving capacity over to 5.6 in anticipation of imminently changed load.