Thanks for the question, It now works in AOAI through SDK with the latest v1106 models:https://learn.microsoft.com/en-us/azure/ai-services/openai/how-to/reproducible-output
New seed indeed helps to reproduce the same output (although with some occasional differences).
Generating reproducible output in GPT-4-Turbo v1106 with the "seed" parameter in Python SDK v1.x
Here is the repo for the same.