Resolved after 1 day 8 hours, on May 15, 2026.
We have applied the mitigation and are monitoring the recovery.
Update timeline
- investigating May 15, 2026, 04:11 PM UTC
We are investigating the issue for reports of GPT 5.5 performing worse for some users.
- monitoring May 16, 2026, 12:35 AM UTC
We have applied the mitigation and are monitoring the recovery.
- resolved May 17, 2026, 12:15 AM UTC
All impacted services have now fully recovered.
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