Possibly intermittent rather than fully down—check status.openai.com, then try a fresh session or another model; login, file upload, and generation failures can appear separately.

Apparently: https://news.ycombinator.com/item?id=48914446

This post looked hilarious in the "new" feed :) Then I realized which came first, and laughed even harder.

"upstream connect error or disconnect/reset before headers. reset reason: connection termination" ?