OpenAI reports multiple service issues

OpenAI is dealing with 3 concurrent service issues — tracked live below.

By The Downtime · Sep 25, 2026 · 11:00 PM ·Updated 3 weeks ago

OpenAI's Codex service is currently down due to a 401 backend key error, according to the company's status page. The outage is classified as critical, with the current status marked as identified.

Codex is OpenAI's AI-powered code generation tool, widely used by developers and integrated into various applications for automated programming tasks.

OpenAI identified the internal issue causing the outage and stated it is heading toward a mitigation. No further timeline details have been provided.

This is a developing story. The Downtime will continue to monitor the incident and provide updates as they become available.

⚠️ Issues being tracked (3)

Codex down due to 401 backend key error

Resolved

source ↗

Mobile users unable to see Work Mode and the Model Picker

Resolved

source ↗

Elevated Error Rates for ChatGPT across Plus and Pro plans.

Resolved

source ↗

🕒 Live updates (13)

resolved Issues with Codex Sep 25, 11:54 PM

All impacted services have now fully recovered.

monitoring Issues with Codex Sep 25, 11:45 PM

We have applied the mitigation and are monitoring the recovery.

identified Issues with Codex Sep 25, 11:34 PM

We have identified root cause and are moving towards mitigation.

identified Issues with Codex Sep 25, 11:19 PM

identified Issues with Codex Sep 25, 11:03 PM

We have identified that users are experiencing elevated errors for the impacted services. We are working on implementing a mitigation.

identified Codex down due to 401 backend key error Sep 25, 10:58 PM

We have identified that users are experiencing a codex outage. We have identified the internal issue and are heading towards a mitigation.

identified Issues with Codex Sep 25, 10:58 PM

We have identified that users are experiencing a codex outage. We have identified the internal issue and are heading towards a mitigation.

resolved Mobile users unable to see Work Mode and... Sep 23, 11:49 PM

All impacted services have now fully recovered.

monitoring Mobile users unable to see Work Mode and... Sep 23, 11:32 PM

We have applied the mitigation and are monitoring the recovery.

investigating Mobile users unable to see Work Mode and... Sep 23, 11:25 PM

We have identified that mobile users are not able to see work mode or the model picker when using ChatGPT. We are working on implementing a mitigation.

resolved Elevated Error Rates for ChatGPT across... Sep 23, 9:54 AM

All impacted services have now fully recovered.

monitoring Elevated Error Rates for ChatGPT across... Sep 23, 9:45 AM

We have applied the mitigation and are monitoring the recovery.

identified Elevated Error Rates for ChatGPT across... Sep 23, 9:13 AM

We have identified that users are experiencing elevated errors for the impacted services. We are working on implementing a mitigation.

📎 Sources

OpenAI status ↗

Outage details are aggregated from official provider status pages. The Downtime reports them as a public service and is not affiliated with the providers named.

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OpenAI reports multiple service issues

⚠️ Issues being tracked (3)

🕒 Live updates (13)

📎 Sources

💬 Comments (0)

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