ChatGPT intermittently not loading successfully after SSO authentication

Resolved·Partial outage

All impacted services have now fully recovered.

Thu, Dec 18, 2025, 10:46 PM

(1 day ago)

Affected components

Dec 16, 2025, 08:02 AM

Dec 18, 2025, 10:46 PM

Updates

Resolved

All impacted services have now fully recovered.

Thu, Dec 18, 2025, 10:46 PM

Monitoring

We have applied the mitigation and are monitoring the recovery.

Thu, Dec 18, 2025, 09:02 AM(13 hours earlier)

Investigating

We are investigating the issue for the listed services.

Tue, Dec 16, 2025, 06:42 PM(1 day earlier)

Identified

The team is aware of a small number of users that are unable to load ChatGPT successfully after authenticating in with SSO. We are working on implementing a mitigation.

Tue, Dec 16, 2025, 08:02 AM(10 hours earlier)

Availability metrics are reported at an aggregate level across all tiers, models and error types. Individual customer availability may vary depending on their subscription tier as well as the specific model and API features in use.