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Source reviewedOperational incidentMedium

Codex, ChatGPT, and the Responses API are disrupted together

A configuration rollout overloaded a shared backend dependency, causing latency, incorrect 429 responses, and login and conversation errors.

First observed
Jun 3, 2026, 6:46:00 AM
Disclosed
Jun 3, 2026, 6:46:00 AM
Status
Resolved
Confidence
99%
Organization
OpenAI
Last reviewed
Sep 1, 2026

Observed

Facts supported by sources

  • Responses requests started slowly, Codex requests received incorrect 429 responses, and ChatGPT experienced authentication and conversation errors.
  • The UTC times were converted from PDT.

Assessment

Interpretation, not observation

No additional interpretation recorded.

Impact

Impact

Partial degradation of multiple OpenAI products for approximately two hours and 15 minutes.

Response

Response

OpenAI disabled the configuration, rerouted traffic, and added canary, rollout, and dependency controls.

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