openstatusPricingDashboardopenstatusPricingDashboardElevated latency and error rates for ChatGPT 5.5 Thinking
minorStarted May 21, 2026, 10:05 PM · Resolved May 21, 2026, 11:22 PM
Elevated error rates on ChatGPT paid plans
minorStarted May 21, 2026, 1:52 PM · Resolved May 21, 2026, 3:23 PM
API users may see increased error rates for GPT-5.4 and GPT-5.5
minorStarted May 19, 2026, 11:32 PM · Resolved May 20, 2026, 12:37 AM
GPT5.5 Performance Degradation
incidentStarted May 15, 2026, 4:11 PM · Resolved May 17, 2026, 12:15 AM
Codex Cloud and Code Review experiencing high failure rate
incidentStarted May 14, 2026, 8:58 PM · Resolved May 14, 2026, 9:28 PM