ChatGPT Global Service Disruption on September 3, 2025
ChatGPT experienced a global service outage on September 3, 2025, preventing users from accessing the platform and receiving responses. The disruption affected both web and mobile applications, particularly the GPT-5 model, and was later resolved.
What happened
Starting from the morning of September 3, 2025, ChatGPT experienced global access issues affecting both web and mobile applications.
Users reported inability to access the platform and receive responses, with particular problems in the GPT-5 model where queries were sent but no responses returned or blank screens appeared.
OpenAI's official status page indicated the system was experiencing issues and the root cause was being identified and worked on.
Reported impact
Millions of users worldwide were unable to access ChatGPT, with reports spreading rapidly on social media.
The disruption negatively affected professionals and enthusiasts using the system daily for work, education, and research.
Index analysis
Some experts suggested server congestion may have caused the outage, while others hypothesized an update or technical malfunction in the system's infrastructure.
According to Downdetector, user reports eventually indicated no ongoing problems with OpenAI.
Governance controls
ChatGPT's official status page was updated to reflect full operational capacity, indicating systems were functioning without issues.
Classification
Sources and evidence
Sources not yet published
This record was researched and written by the Index from original reporting. Its sources are still being verified by an editor, and they are listed here once that check is complete. Until then the record carries no reviewer.