ChatGPT Outage History

Past incidents and downtime events

Complete history of ChatGPT outages, incidents, and service disruptions. Showing 25 most recent incidents.

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May 2026(20 incidents)

minorresolvedMay 22, 04:37 PM — Resolved May 23, 10:58 AM

Increase in users hitting Codex rate limits

4 updates

resolvedMay 23, 10:58 AM

monitoringMay 22, 07:16 PM

investigatingMay 22, 04:37 PM

minorresolvedMay 21, 10:05 PM — Resolved May 21, 11:22 PM

Elevated latency and error rates for ChatGPT 5.5 Thinking

4 updates

resolvedMay 21, 11:22 PM

monitoringMay 21, 10:57 PM

monitoringMay 21, 10:25 PM

identifiedMay 21, 10:05 PM

minorresolvedMay 21, 01:52 PM — Resolved May 21, 03:23 PM

Elevated error rates on ChatGPT paid plans

9 updates

resolvedMay 21, 09:51 PM

monitoringMay 21, 09:21 PM

monitoringMay 21, 09:02 PM

monitoringMay 21, 08:44 PM

monitoringMay 21, 08:25 PM

identifiedMay 21, 08:17 PM

resolvedMay 21, 03:23 PM

monitoringMay 21, 02:52 PM

identifiedMay 21, 01:52 PM

minorresolvedMay 19, 11:32 PM — Resolved May 20, 12:37 AM

API users may see increased error rates for GPT-5.4 and GPT-5.5

4 updates

resolvedMay 20, 12:37 AM

monitoringMay 19, 11:59 PM

monitoringMay 19, 11:38 PM

identifiedMay 19, 11:32 PM

noneresolvedMay 15, 04:11 PM — Resolved May 17, 12:15 AM

GPT5.5 Performance Degradation

3 updates

resolvedMay 17, 12:15 AM

monitoringMay 16, 12:35 AM

investigatingMay 15, 04:11 PM

noneresolvedMay 14, 08:58 PM — Resolved May 14, 09:28 PM

Codex Cloud and Code Review experiencing high failure rate

3 updates

resolvedMay 14, 09:28 PM

investigatingMay 14, 09:18 PM

identifiedMay 14, 08:58 PM

criticalresolvedMay 13, 11:05 PM — Resolved May 13, 11:29 PM

Issues accessing ChatGPT for logged-out users

3 updates

resolvedMay 13, 11:29 PM

monitoringMay 13, 11:17 PM

investigatingMay 13, 11:05 PM

minorresolvedMay 13, 08:18 AM — Resolved May 13, 10:20 AM

Codex 5.5 engines are experiencing high error rate

4 updates

resolvedMay 13, 10:20 AM

monitoringMay 13, 09:34 AM

identifiedMay 13, 09:00 AM

investigatingMay 13, 08:18 AM

minorresolvedMay 13, 06:28 AM — Resolved May 13, 09:23 AM

Realtime API - SIP/WebRTC flow are down

3 updates

resolvedMay 13, 09:23 AM

investigatingMay 13, 06:37 AM

investigatingMay 13, 06:28 AM

minorresolvedMay 11, 05:02 PM — Resolved May 11, 05:59 PM

Elevated error rates with GPT 5.5

4 updates

resolvedMay 11, 08:12 PM

monitoringMay 11, 05:04 PM

identifiedMay 11, 05:03 PM

investigatingMay 11, 05:02 PM

minorresolvedMay 11, 01:23 AM — Resolved May 11, 05:35 AM

Users may experience elevated errors in ChatGPT uploading files and Codex Cloud creating tasks

3 updates

resolvedMay 11, 05:35 AM

monitoringMay 11, 03:23 AM

investigatingMay 11, 01:23 AM

majorresolvedMay 9, 12:07 AM — Resolved May 9, 12:08 AM

Elevated errors for Responses API

2 updates

resolvedMay 9, 12:08 AM

monitoringMay 9, 12:07 AM

minorresolvedMay 8, 03:07 PM — Resolved May 8, 04:17 PM

Degraded Performance with Codex Cloud Tasks

2 updates

resolvedMay 8, 04:17 PM

investigatingMay 8, 03:07 PM

minorresolvedMay 8, 12:31 PM — Resolved May 8, 02:14 PM

Increased Error Rate for gpt-5.5 model in the API

5 updates

resolvedMay 8, 02:14 PM

monitoringMay 8, 01:57 PM

identifiedMay 8, 01:42 PM

investigatingMay 8, 01:26 PM

investigatingMay 8, 12:31 PM

minorresolvedMay 7, 05:15 PM — Resolved May 8, 08:31 AM

Elevated transcription failures affecting ChatGPT & Codex

6 updates

resolvedMay 8, 08:31 AM

monitoringMay 8, 06:15 AM

investigatingMay 7, 11:47 PM

investigatingMay 7, 08:17 PM

investigatingMay 7, 06:44 PM

identifiedMay 7, 05:15 PM

minorresolvedMay 7, 07:55 AM — Resolved May 7, 09:38 AM

Increased error rate with image generation in the API

2 updates

resolvedMay 7, 09:38 AM

monitoringMay 7, 07:55 AM

noneresolvedMay 4, 03:29 PM — Resolved May 4, 05:10 PM

Issue affecting some pages on the ChatGPT website

4 updates

resolvedMay 4, 05:10 PM

monitoringMay 4, 04:42 PM

identifiedMay 4, 03:45 PM

investigatingMay 4, 03:29 PM

minorresolvedMay 1, 02:25 PM — Resolved May 1, 03:38 PM

Elevated error rate for Responses API

3 updates

resolvedMay 1, 03:38 PM

monitoringMay 1, 03:04 PM

investigatingMay 1, 02:25 PM

minorresolvedMay 1, 01:52 PM — Resolved May 1, 02:53 PM

Elevated error rates for image generation

3 updates

resolvedMay 1, 02:53 PM

monitoringMay 1, 02:52 PM

identifiedMay 1, 01:52 PM

noneresolvedMay 1, 03:55 AM — Resolved May 1, 04:02 AM

Elevated error rates affecting ChatGPT for some users in Europe

3 updates

resolvedMay 1, 04:02 AM

monitoringMay 1, 03:56 AM

investigatingMay 1, 03:55 AM

April 2026(5 incidents)

minorresolvedApr 29, 09:59 PM — Resolved May 5, 05:00 PM

Partial Disruption of ChatGPT Workspace Connector Write Actions

2 updates

resolvedMay 5, 05:00 PM

identifiedApr 29, 09:59 PM

minorresolvedApr 29, 09:01 PM — Resolved Apr 29, 10:24 PM

Elevated errors for ChatGPT Go (5.3 Thinking)

4 updates

resolvedApr 29, 10:24 PM

monitoringApr 29, 09:59 PM

identifiedApr 29, 09:25 PM

identifiedApr 29, 09:01 PM

minorresolvedApr 29, 05:12 AM — Resolved Apr 29, 05:41 AM

Users may experience elevated error rate for gpt-4o-mini in the API

3 updates

resolvedApr 29, 05:41 AM

monitoringApr 29, 05:19 AM

identifiedApr 29, 05:12 AM

majorresolvedApr 29, 06:06 AM — Resolved Apr 29, 05:27 AM

ChatGPT users may encounter issues in conversation

2 updates

resolvedApr 29, 06:06 AM

investigatingApr 29, 06:06 AM

minorresolvedApr 28, 10:46 PM — Resolved Apr 28, 11:12 PM

Codex stream is disconnecting intermittently

3 updates

resolvedApr 28, 11:12 PM

monitoringApr 28, 10:58 PM

identifiedApr 28, 10:46 PM

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