Elevated error rates on Codex, ChatGPT and Responses API

Resolved·Partial outage

We’ve published a write-up of this incidentRead the write-up

Read it here

Affected components

Jun 3, 2026, 05:42 AM

07:16 AM

Updates

Write-up published

Read it here

Resolved

All impacted services have now fully recovered.

Wed, Jun 3, 2026, 11:09 AM

Monitoring

We have applied the mitigation and are monitoring the recovery.

Wed, Jun 3, 2026, 10:21 AM(48 minutes earlier)

Monitoring

We have applied the mitigation and are monitoring the recovery.

Wed, Jun 3, 2026, 09:20 AM(1 hour earlier)

Monitoring

We have applied the mitigation and are monitoring the recovery.

Wed, Jun 3, 2026, 07:55 AM(1 hour earlier)

Monitoring

We have applied the mitigation and are monitoring the recovery.

Wed, Jun 3, 2026, 07:16 AM(39 minutes earlier)

Investigating

We have seen recovery on Codex, but there is continued low level impact on other services. We're continuing to work on mitigation.

Wed, Jun 3, 2026, 07:11 AM

Investigating

We are investigating the issue for the listed services.

Wed, Jun 3, 2026, 06:50 AM(20 minutes earlier)

Investigating

We are investigating the issue for the listed services.

Wed, Jun 3, 2026, 06:34 AM(16 minutes earlier)

Investigating

We are investigating the issue for the listed services.

Wed, Jun 3, 2026, 06:16 AM(17 minutes earlier)

Investigating

We are investigating the issue for the listed services.

Wed, Jun 3, 2026, 05:42 AM(34 minutes earlier)

Investigating

We are investigating the issue for the listed services.

Wed, Jun 3, 2026, 05:22 AM(20 minutes earlier)

Investigating

We are investigating the issue for the listed services.

Wed, Jun 3, 2026, 05:12 AM

Investigating

We are investigating the issue for the listed services.

Wed, Jun 3, 2026, 05:11 AM

Investigating

We are investigating the issue for the listed services.

Wed, Jun 3, 2026, 04:58 AM(12 minutes earlier)

Availability metrics are reported at an aggregate level across all tiers, models and error types. Individual customer availability may vary depending on their subscription tier as well as the specific model and API features in use.

Elevated error rates on Codex, ChatGPT and Responses API

Resolved·Partial outage

We’ve published a write-up of this incidentRead the write-up

Read it here

Affected components

Jun 3, 2026, 05:42 AM

07:16 AM

Updates

Write-up published

Read it here

Resolved

All impacted services have now fully recovered.

Wed, Jun 3, 2026, 11:09 AM

Monitoring

We have applied the mitigation and are monitoring the recovery.

Wed, Jun 3, 2026, 10:21 AM(48 minutes earlier)

Monitoring

We have applied the mitigation and are monitoring the recovery.

Wed, Jun 3, 2026, 09:20 AM(1 hour earlier)

Monitoring

We have applied the mitigation and are monitoring the recovery.

Wed, Jun 3, 2026, 07:55 AM(1 hour earlier)

Monitoring

We have applied the mitigation and are monitoring the recovery.

Wed, Jun 3, 2026, 07:16 AM(39 minutes earlier)

Investigating

We have seen recovery on Codex, but there is continued low level impact on other services. We're continuing to work on mitigation.

Wed, Jun 3, 2026, 07:11 AM

Investigating

We are investigating the issue for the listed services.

Wed, Jun 3, 2026, 06:50 AM(20 minutes earlier)

Investigating

We are investigating the issue for the listed services.

Wed, Jun 3, 2026, 06:34 AM(16 minutes earlier)

Investigating

We are investigating the issue for the listed services.

Wed, Jun 3, 2026, 06:16 AM(17 minutes earlier)

Investigating

We are investigating the issue for the listed services.

Wed, Jun 3, 2026, 05:42 AM(34 minutes earlier)

Investigating

We are investigating the issue for the listed services.

Wed, Jun 3, 2026, 05:22 AM(20 minutes earlier)

Investigating

We are investigating the issue for the listed services.

Wed, Jun 3, 2026, 05:12 AM

Investigating

We are investigating the issue for the listed services.

Wed, Jun 3, 2026, 05:11 AM

Investigating

We are investigating the issue for the listed services.

Wed, Jun 3, 2026, 04:58 AM(12 minutes earlier)