OpenAI incident

Elevated latency and error rates for ChatGPT 5.5 Thinking

Major Ongoing View vendor source →

OpenAI is currently experiencing a major incident affecting Conversations, which began 23 min ago. The vendor's full update timeline is below.

Started
May 21, 2026, 10:25 PM UTC
Resolved
Ongoing
Duration
● 23m
Detected by Pingoru
May 21, 2026, 10:25 PM UTC

Affected components

Conversations

Update timeline

  1. identified May 21, 2026, 10:05 PM UTC

    Status: 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. Affected components Conversations (Degraded performance)

  2. monitoring May 21, 2026, 10:25 PM UTC

    Status: Monitoring We have applied the mitigation and are monitoring the recovery. Affected components Conversations (Degraded performance)