Open AI realtime WS connections are cut off continuously

I agree. The confusing part is that the Realtime API Beta was already deprecated on May 12, so you will need to update your code either way. But this delay caught me by surprise as well.

Here is the deprecations page, which also includes a link to the migration guide.

developers.openai.com

2025-09-15: Realtime API Beta - Deprecations | OpenAI API

As we launch safer and more capable models, we regularly retire older models. Software relying on OpenAI models may need occasional updates to keep working. Impacted customers will always be notified by email and in our documentation along with blog...