OpenAI Status · History · Incident #6567

RESOLVED

Elevated Errors for Thinking mode in ChatGPT

Minor · Started Aug 20, 2026 · 1:56 PM

Duration

2h 55m
Severity

Minor
Detection lead

—
User reports

—

Summary

Elevated Errors for Thinking mode in ChatGPT

All impacted services have now fully recovered.

Started

Aug 20, 2026 · 1:56 PM
Resolved

Aug 20, 2026 · 4:51 PM
Duration

2h 55m
Severity

Minor

Event timeline

How this incident unfolded

◐

Investigating
Aug 20 · 1:56 PM OpenAI

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

Investigating
Aug 20 · 2:12 PM OpenAI

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

Monitoring
Aug 20 · 2:53 PM OpenAI

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

Resolved
Aug 20 · 4:51 PM OpenAI

All impacted services have now fully recovered.

Pattern

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