ChatGPT Status · History · Incident #151185

RESOLVED

Degraded performance in ChatGPT, Codex, and APIs

Minor · Started Oct 21, 2026 · 2:26 AM

Duration

1h 1m
Severity

Minor
Detection lead

—
User reports

Peak 1/hr

Summary

Degraded performance in ChatGPT, Codex, and APIs

All impacted services have now fully recovered.

Started

Oct 21, 2026 · 2:26 AM
Resolved

Oct 21, 2026 · 3:28 AM
Duration

1h 1m
Severity

Minor

Event timeline

How this incident unfolded

◐

Investigating
Oct 21 · 2:26 AM ChatGPT

We are investigating the issue for the listed services.
◉

Monitoring
Oct 21 · 2:27 AM ChatGPT

We have applied the mitigation and are monitoring the recovery.
✓

Resolved
Oct 21 · 2:48 AM ChatGPT

All impacted services have now fully recovered.

User reports · incident window

Report volume over time

Hourly report count. Red bars mark the incident window.

Peak: 1 reports/hr

← Before incident After →

Pattern

Other recent incidents

Browse full incident history →

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