OpenAI incident

GPT5.5 Performance Degradation

Major Ongoing View vendor source →

OpenAI is currently experiencing a major incident, which began 11 min ago. The vendor's full update timeline is below.

Started
May 15, 2026, 04:11 PM UTC
Resolved
Ongoing
Duration
● 11m
Detected by Pingoru
May 15, 2026, 04:11 PM UTC

Update timeline

  1. investigating May 15, 2026, 04:11 PM UTC

    Status: Investigating We are investigating the issue for reports of GPT 5.5 performing worse for some users.