Outage in OpenAI

Increased Number of Users Reporting Rate Limit Errors with GPT-4o Model

Resolved Minor
September 12, 2025 - Started 1 day ago - Lasted about 1 hour

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Outage Details

We are investigating the issue with some users hitting rate limits with GPT-4o earlier than expected within ChatGPT
Components affected
OpenAI Conversations OpenAI ChatGPT
Latest Updates ( sorted recent to last )
MONITORING 1 day ago - at 09/12/2025 03:43PM

We have applied the mitigation and are monitoring the recovery.

INVESTIGATING 1 day ago - at 09/12/2025 03:35PM

We are investigating the issue with some users hitting rate limits with GPT-4o earlier than expected within ChatGPT

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