@Fang, Xiuyue - Welcome to Microsoft Q&A Forum, Thank you for posting your query here!
Azure OpenAI service is still not open for creation to all subscriptions, users need to fall under the criteria as defined in this form and the request will be approved after reviewing all details submitted in the form.
So, If you need an Azure subscription with access enabled for the Azure OpenAI service, you need to fill and submit this form.
If your access request to Azure OpenAI service doesn't match the acceptance criteria, you can use OpenAI public API instead.
The subscription plan
Azure for Students
and thefree trial
subscriptions no longer allows for Azure OpenAI use.
Also, your subscription should use be a pay as you go account to ensure Azure OpenAI deployments are successful once your request is approved. More info here and here.
Hope this helps. Do let us know if you any further queries.
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