Elevated Errors for Thinking mode in ChatGPT

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.

Resolved·Degraded performance

All impacted services have now fully recovered.

Thu, Aug 20, 2026, 04:51 PM

(2 weeks ago)

Affected components

Aug 20, 2026, 01:56 PM

04:51 PM

Updates

Resolved

All impacted services have now fully recovered.

Thu, Aug 20, 2026, 04:51 PM

Monitoring

We have implemented a mitigation for the issue for elevated errors for Thinking Mode and Image Generation in ChatGPT/ChatGPT Work

Thu, Aug 20, 2026, 02:53 PM(1 hour earlier)

Investigating

We are investigating an issue causing some users to experience errors when using Thinking mode and Image Generation in ChatGPT.

Thu, Aug 20, 2026, 02:12 PM(41 minutes earlier)

Investigating

We are investigating an issue causing some users to experience errors when using Thinking in ChatGPT.

Thu, Aug 20, 2026, 01:56 PM(16 minutes earlier)