OpenAI Response: x-ratelimit header values -1 and 0

Hello, since last Thursday, the openai rate limit headers in the http responses are coming back with 0 and -1 :frowning:

x-ratelimit-limit-tokens -1

x-ratelimit-remaining-tokens -1

x-ratelimit-reset-tokens 0

I used these header values especially x-ratelimit-reset-tokens to wait X number of seconds before trying again when I get HTTP 429 (Rate limit exceeded). Does anyone know whats happening?

Im using Azure OpenAI resource, Responses API and GPT4.1

Posting here won’t be able to affect any change or be seen by Microsoft.

OpenAI working OK. From a call:

'x-ratelimit-limit-requests': '10000', 'x-ratelimit-limit-tokens': '50000000', 'x-ratelimit-remaining-requests': '9999', 'x-ratelimit-remaining-tokens': '49999896', 'x-ratelimit-reset-requests': '6ms', 'x-ratelimit-reset-tokens': '0s', 'x-request-id':..

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