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Source reviewedOperational incidentMedium

ChatGPT experiences elevated errors on April 2

A new gateway layer allowed too few concurrent requests per node and rejected requests above that limit.

First observed
Apr 2, 2026, 3:00:00 PM
Disclosed
Apr 2, 2026, 3:00:00 PM
Status
Resolved
Confidence
99%
Organization
OpenAI
Last reviewed
Sep 1, 2026

Observed

Facts supported by sources

  • Some users could not start new ChatGPT conversations.
  • The disruption lasted from 6:00 a.m. to 10:47 a.m. PDT; the stored times are converted to UTC.

Assessment

Interpretation, not observation

No additional interpretation recorded.

Impact

Impact

Failed new ChatGPT conversations over approximately four hours and 47 minutes.

Response

Response

OpenAI increased the gateway layer's concurrency limit.

Methodology: Facts, interpretations, and uncertainty are kept separate. Confidence describes the strength of the evidence, not a probability estimate.