Hi Gilles Leniau,
Greetings & Welcome to the Microsoft Q&A forum! Thank you for sharing your query.
I understand that you're encountering an issue with Quota and limits. During the Azure OpenAI free trial, your request quota is limited. If you are using the Azure for Students or Free Trials offer, the maximum quota is 1,000 tokens per minute for all models. This restriction may result in messages about exceeding the token rate limit, particularly with frequent or large requests.
The message you encountered indicates that you have surpassed the token rate limit for your current pricing tier, which is common during the trial period. Transitioning to a pay-as-you-go plan could provide higher quotas and more flexibility for your usage without affecting your trial for other services.
Kindly refer these Quota and Limits
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