Assistants API Slowing Down Over Time After Multiple Requests

Is anyone else experiencing performance degradation with the Assistants API over time?

For the past two days, I’ve noticed that when I start using the Assistant API, the response time is around 4 seconds per request. However, after sending approximately 400 prompt the response time gradually increases and eventually reaches 18 seconds or more per request.

I’m using GPT-4o with a tier limit of 4. This slowdown persists even when I restart my application and try again. What’s strange is that I’ve used the same Assistant setup before without any issues, and it performed consistently well.

Has anyone else faced this issue?
Edit: The results are awful

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yup i am here as well as a lot of people at the moment its being worked on

Has OpenAI announced that they are working on this? We built an assistant that is used internally at my company by several users and the performance has degraded significantly over time.