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this is a new error outta nowhere, the assistant just hangs up after first message.

Ended Reason
pipeline-no-available-llm-model

this was also reported by some other users. This is because of the unstable verion which should be fine in a day or two.
meanwhile mind sharing the call id?

you know you loose a client over those two days when you are about to demo something and it fails, and you embarasss yourself. I can help you with experimental testing. Allow me to be one of the users who uses the test environment but please don't push to production this sorta stuff.

here is one of the call ids 8c08d8bb-3d65-4eae-85b3-4d48c8f3f80b

```
    "model": "gpt-3.5-turbo",
    "semanticCachingEnabled": true,
    "fallbackModels": ["gpt-4-0125-preview", "gpt-4-0613"],
```

can you remove fallbackModels array please

i think we started adhering to that list that likely broke your assistant