Elevated errors across ChatGPT, Codex, and the API including the Agents API

Resolved Minor impact

On September 29, 2026 at 17:52 UTC, OpenAI reported an incident affecting ChatGPT, Codex, and OpenAI API with a minor impact, per its official status page. The disruption lasted 5h 21m and the incident has been fully resolved. IsChatGPTDown.chat mirrors this incident from OpenAI's official record; see the official link below for authoritative details.

Incident Facts

All facts below are taken from OpenAI's official incident record. Fields OpenAI did not publish are shown as “Not provided.”

Started
Resolved
Duration
5h 21m
Affected services
ChatGPT, Codex, OpenAI API
Severity
Minor
Current state
Resolved

Timeline

Official update history from OpenAI's status page.

  1. Investigating We’re investigating elevated errors affecting ChatGPT, Codex, and the API. Some users may experience failed requests, difficulty logging in or signing up, and tasks that do not complete. We’ll share updates as we learn more.
  2. Investigating We’re investigating elevated errors affecting ChatGPT, Codex, and the API including the Agents API. Some users may experience failed requests, difficulty logging in or signing up, and tasks that do not complete. We’ll share updates as we learn more.
  3. Investigating We’re still investigating elevated errors affecting ChatGPT, Codex, and the API including the Agents API. Some users may experience failed requests, difficulty logging in or signing up, and tasks that do not complete. We’ll share updates as we learn more.
  4. Monitoring We have applied the mitigation and are monitoring the recovery.
  5. Monitoring We have applied the mitigation and are monitoring the recovery.
  6. Monitoring We have applied the mitigation and are monitoring the recovery.
  7. Monitoring We have applied the mitigation and are monitoring the recovery.
  8. Resolved The issue causing elevated errors across ChatGPT, Codex, and the API has been resolved, and all affected services have recovered. Thank you for your patience while we worked to restore service. The detailed Root Cause Analysis (RCA) will be published in the next 5 business days.
  9. Resolved All impacted services have now fully recovered.

Related troubleshooting

The affected services are listed above from OpenAI's official record. If you run into a similar problem, the guides below help you check whether it is a current outage or an issue limited to your setup.