Elevated latency and error rates for ChatGPT 5.5 Thinking

Resolved

Started

Lasted 1h 17m

View official incident ↗

Updates

  1. Resolved

    All impacted services have now fully recovered.

  2. Monitoring

    We are continuing to monitor recovery.

  3. Monitoring

    We have applied the mitigation and are monitoring the recovery.

  4. Identified

    We have identified that users are experiencing elevated latency and error rates for ChatGPT 5.5 Thinking. We are working on implementing a mitigation.