OpenAI incident

Elevated Errors for Thinking mode in ChatGPT

Minor Resolved

Started

August 20, 2026 at 01:56 PM UTC

Duration

2h 55m

Resolved

August 20, 2026 at 04:51 PM UTC

Updates timeline

  1. Investigating

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

  2. Investigating

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

  3. Monitoring

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

  4. Resolved

    All impacted services have now fully recovered.

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