When I use o4-mini to get answer in my rag system, I get empty string from OpenAI

API
1

When I use o4-mini to get answer in my rag system, I get empty string from OpenAI.
Dose anyone have similar problem?

2

see if the model available to you according to your API key using this command : curl h ttps://api.openai.com/v1/models
-H “Authorization: Bearer $OPENAI_API_KEY”
Check also input length if it exceed the context window limit of O4-mini