OpenAI / ChatGPT
Degraded

ChatGPT outage on September 29, 2026: what happened and how long it lasted

On September 29, 2026, OpenAI / ChatGPT had degraded performance between 17:49 and 23:18 UTC, about 5.5 h in total. The vendor posted 2 incidents.

Live status

Timeline (UTC)

  1. OfficialOfficial incident posted: Support available via email
  2. OfficialOfficial incident posted: Elevated errors across ChatGPT, Codex, and the API including the Agents API
  3. OfficialOfficially resolved: Elevated errors across ChatGPT, Codex, and the API including the Agents API
  4. OfficialOfficially resolved: Support available via email

Hourly measurements (UTC)

00:0012:0023:00
Was ChatGPT down on September 29, 2026?

On September 29, 2026, OpenAI / ChatGPT had degraded performance between 17:49 and 23:18 UTC, about 5.5 h in total. The vendor posted 2 incidents.

Is ChatGPT working now?

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