OpenAI Outage History
Uptime record, past incidents, and downtime history for OpenAI.
Checking current status...
90-Day Trend
Monthly Uptime
| Month | Uptime | Days Tracked | Days with Issues |
|---|---|---|---|
| May 2026 | 28% | 25 | 18 |
| April 2026 | 43.3% | 30 | 17 |
| March 2026 | 35.5% | 31 | 20 |
| February 2026 | 60% | 5 | 2 |
Uptime is calculated from daily worst-status snapshots. A day with any non-operational status counts as a day with issues.
Daily Status (Last 91 Days)
Feb 24
Today
Operational
Degraded
Partial Outage
Major Outage
Maintenance
No Data
Incident History
May 2026
Increase in users hitting Codex rate limits
Started: May 22, 4:37 PM
monitoring
May 22, 7:16 PM
monitoring
May 22, 7:16 PM
investigating
May 22, 4:37 PM
Elevated latency and error rates for ChatGPT 5.5 Thinking
Started: May 21, 10:05 PM
monitoring
May 21, 10:57 PM
monitoring
May 21, 10:25 PM
identified
May 21, 10:05 PM
Elevated error rates on ChatGPT paid plans
Started: May 21, 1:52 PM
monitoring
May 21, 9:21 PM
monitoring
May 21, 9:02 PM
monitoring
May 21, 8:44 PM
monitoring
May 21, 8:25 PM
identified
May 21, 8:17 PM
resolved
May 21, 3:23 PM
monitoring
May 21, 2:52 PM
identified
May 21, 1:52 PM
API users may see increased error rates for GPT-5.4 and GPT-5.5
Started: May 19, 11:32 PM
monitoring
May 19, 11:59 PM
monitoring
May 19, 11:38 PM
identified
May 19, 11:32 PM
GPT5.5 Performance Degradation
Started: May 15, 4:11 PM
monitoring
May 16, 12:35 AM
investigating
May 15, 4:11 PM
Codex Cloud and Code Review experiencing high failure rate
Started: May 14, 8:58 PM
investigating
May 14, 9:18 PM
identified
May 14, 8:58 PM
Issues accessing ChatGPT for logged-out users
Started: May 13, 11:05 PM
monitoring
May 13, 11:17 PM
investigating
May 13, 11:05 PM
Codex 5.5 engines are experiencing high error rate
Started: May 13, 8:18 AM
monitoring
May 13, 9:34 AM
identified
May 13, 9:00 AM
investigating
May 13, 8:18 AM
Realtime API - SIP/WebRTC flow are down
Started: May 13, 6:28 AM
investigating
May 13, 6:37 AM
investigating
May 13, 6:28 AM
Elevated error rates with GPT 5.5
Started: May 11, 5:02 PM
monitoring
May 11, 5:04 PM
identified
May 11, 5:03 PM
investigating
May 11, 5:02 PM
Users may experience elevated errors in ChatGPT uploading files and Codex Cloud creating tasks
Started: May 11, 1:23 AM
monitoring
May 11, 3:23 AM
investigating
May 11, 1:23 AM
Degraded Performance with Codex Cloud Tasks
Started: May 8, 3:07 PM
investigating
May 8, 3:07 PM
Increased Error Rate for gpt-5.5 model in the API
Started: May 8, 12:31 PM
monitoring
May 8, 1:57 PM
identified
May 8, 1:42 PM
investigating
May 8, 1:26 PM
investigating
May 8, 12:31 PM
Elevated transcription failures affecting ChatGPT & Codex
Started: May 7, 5:15 PM
monitoring
May 8, 6:15 AM
investigating
May 7, 11:47 PM
investigating
May 7, 8:17 PM
investigating
May 7, 6:44 PM
identified
May 7, 5:15 PM
Increased error rate with image generation in the API
Started: May 7, 7:55 AM
monitoring
May 7, 7:55 AM
Issue affecting some pages on the ChatGPT website
Started: May 4, 3:29 PM
monitoring
May 4, 4:42 PM
identified
May 4, 3:45 PM
investigating
May 4, 3:29 PM
Elevated error rate for Responses API
Started: May 1, 2:25 PM
monitoring
May 1, 3:04 PM
investigating
May 1, 2:25 PM
Elevated error rates for image generation
Started: May 1, 1:52 PM
identified
May 1, 1:52 PM
April 2026
Partial Disruption of ChatGPT Workspace Connector Write Actions
Started: Apr 29, 9:59 PM
identified
Apr 29, 9:59 PM
Elevated errors for ChatGPT Go (5.3 Thinking)
Started: Apr 29, 9:01 PM
monitoring
Apr 29, 9:59 PM
identified
Apr 29, 9:25 PM
identified
Apr 29, 9:01 PM
Users may experience elevated error rate for gpt-4o-mini in the API
Started: Apr 29, 5:12 AM
monitoring
Apr 29, 5:19 AM
identified
Apr 29, 5:12 AM
Codex stream is disconnecting intermittently
Started: Apr 28, 10:46 PM
monitoring
Apr 28, 10:58 PM
identified
Apr 28, 10:46 PM
Elevated error rates in Sora API for some users
Started: Apr 28, 1:52 PM
monitoring
Apr 28, 2:18 PM
investigating
Apr 28, 1:52 PM
Elevated errors on model gpt-5.5 in codex
Started: Apr 24, 9:24 PM
investigating
Apr 24, 9:25 PM
Elevated errors in Codex
Started: Apr 23, 6:23 PM
investigating
Apr 23, 6:23 PM
Elevated error rates and latency for Moderation API
Started: Apr 23, 4:44 PM
monitoring
Apr 23, 5:41 PM
investigating
Apr 23, 4:44 PM
Enterprise, business & education workspaces seeing elevated rate of conversation errors
Started: Apr 22, 1:51 PM
monitoring
Apr 22, 2:17 PM
investigating
Apr 22, 1:51 PM
ChatGPT free users are seeing errors when having conversations
Started: Apr 22, 12:56 AM
monitoring
Apr 22, 2:38 AM
investigating
Apr 22, 1:00 AM
investigating
Apr 22, 12:56 AM
Some users may encounter issues with GPT-5.4-C model in Codex
Started: Apr 21, 2:34 AM
monitoring
Apr 21, 2:34 AM
Some users will see higher error rates on Codex
Started: Apr 20, 11:16 PM
monitoring
Apr 20, 11:16 PM
Elevated errors for ChatGPT conversations in Europe
Started: Apr 20, 5:29 PM
monitoring
Apr 20, 5:29 PM
Users unable to load ChatGPT, Codex and API Platform
Started: Apr 20, 2:35 PM
monitoring
Apr 20, 6:17 PM
monitoring
Apr 20, 5:43 PM
monitoring
Apr 20, 4:48 PM
investigating
Apr 20, 4:03 PM
investigating
Apr 20, 3:29 PM
investigating
Apr 20, 3:13 PM
investigating
Apr 20, 2:35 PM
Users may encounter issue with ChatGPT Business after upgrade or adding new seats for up to an hour
Started: Apr 20, 7:13 AM
monitoring
Apr 20, 9:43 AM
investigating
Apr 20, 7:13 AM
Responses API Streaming Error
Started: Apr 16, 7:40 PM
monitoring
Apr 16, 8:31 PM
investigating
Apr 16, 7:40 PM
ChatGPT FedRAMP workspaces not loading
Started: Apr 15, 6:32 PM
investigating
Apr 15, 6:32 PM
Account Creation Issues
Started: Apr 14, 4:49 PM
identified
Apr 14, 4:49 PM
Elevated 401 errors for API endpoints
Started: Apr 12, 8:40 PM
monitoring
Apr 14, 1:26 AM
identified
Apr 13, 11:26 PM
identified
Apr 13, 8:14 PM
identified
Apr 13, 5:10 PM
identified
Apr 13, 12:57 PM
monitoring
Apr 13, 6:34 AM
investigating
Apr 13, 5:55 AM
monitoring
Apr 12, 10:28 PM
investigating
Apr 12, 8:40 PM
Some user may experience issues accessing ChatGPT
Started: Apr 11, 1:04 AM
monitoring
Apr 11, 1:37 AM
investigating
Apr 11, 1:04 AM
Issue with API platform login and account creation
Started: Apr 10, 5:10 AM
investigating
Apr 10, 5:10 AM
Issues with share link creation on web UI
Started: Apr 10, 4:32 AM
investigating
Apr 10, 4:32 AM
Elevated Errors with Login
Started: Apr 8, 5:23 PM
monitoring
Apr 8, 5:32 PM
identified
Apr 8, 5:23 PM
Some users may experience issues accessing the ChatGPT website on VPN
Started: Apr 7, 10:27 AM
monitoring
Apr 7, 11:00 AM
investigating
Apr 7, 10:27 AM
Some users may experience empty response from ChatGPT in web
Started: Apr 6, 6:10 AM
monitoring
Apr 6, 7:58 AM
investigating
Apr 6, 6:10 AM
ChatGPT Dictation Elevated Error Rate
Started: Apr 2, 2:17 PM
monitoring
Apr 2, 5:21 PM
investigating
Apr 2, 4:38 PM
identified
Apr 2, 4:00 PM
identified
Apr 2, 2:58 PM
identified
Apr 2, 2:17 PM
High error rate for completionsapi-gpt-5-nano
Started: Apr 2, 7:36 AM
monitoring
Apr 2, 8:03 AM
identified
Apr 2, 7:36 AM
March 2026
Elevated failures for some users joining ChatGPT Enterprise and ChatGPT Edu workspaces via SSO.
Started: Mar 31, 2:36 PM
investigating
Mar 31, 2:36 PM
Account creation and login are unstable across all surfaces
Started: Mar 29, 5:58 AM
identified
Mar 29, 5:58 AM
Responses API and Sora Increased Error Rates
Started: Mar 26, 9:21 PM
monitoring
Mar 26, 11:03 PM
identified
Mar 26, 10:58 PM
investigating
Mar 26, 10:55 PM
investigating
Mar 26, 10:08 PM
investigating
Mar 26, 9:35 PM
investigating
Mar 26, 9:21 PM
Unable to download or preview project files
Started: Mar 25, 12:12 AM
identified
Mar 25, 6:37 PM
identified
Mar 25, 10:24 AM
identified
Mar 25, 7:39 AM
investigating
Mar 25, 12:19 AM
investigating
Mar 25, 12:12 AM
Elevated error rates on Realtime API SIP endpoints
Started: Mar 24, 5:24 PM
monitoring
Mar 24, 7:31 PM
identified
Mar 24, 5:55 PM
investigating
Mar 24, 5:31 PM
investigating
Mar 24, 5:24 PM
Increased errors creating new sync apps and sync delays with existing apps
Started: Mar 24, 10:32 AM
monitoring
Mar 24, 11:12 AM
identified
Mar 24, 10:43 AM
investigating
Mar 24, 10:32 AM
Some customer may encounter errors creating, updating projects, and uploading files
Started: Mar 24, 3:53 AM
monitoring
Mar 24, 10:22 AM
monitoring
Mar 24, 9:15 AM
identified
Mar 24, 5:44 AM
investigating
Mar 24, 4:24 AM
investigating
Mar 24, 3:53 AM
Pinned chats are not loading on web browsers for ChatGPT
Started: Mar 20, 3:00 PM
monitoring
Mar 20, 5:32 PM
identified
Mar 20, 3:24 PM
investigating
Mar 20, 3:00 PM
Sora video generation failing
Started: Mar 18, 3:46 PM
monitoring
Mar 18, 6:47 PM
identified
Mar 18, 6:32 PM
investigating
Mar 18, 5:56 PM
investigating
Mar 18, 5:31 PM
investigating
Mar 18, 4:41 PM
identified
Mar 18, 3:46 PM
High Error rates with ChatGPT 5.4 Pro
Started: Mar 17, 6:16 PM
investigating
Mar 17, 6:16 PM
Excel Plugin is inaccessible for some users
Started: Mar 17, 5:26 PM
identified
Mar 17, 6:32 PM
identified
Mar 17, 6:01 PM
investigating
Mar 17, 5:26 PM
Elevated errors for sign-in and account creation
Started: Mar 17, 3:06 AM
monitoring
Mar 17, 5:21 AM
identified
Mar 17, 4:49 AM
resolved
Mar 17, 4:09 AM
monitoring
Mar 17, 3:10 AM
identified
Mar 17, 3:06 AM
Elevated Errors Affecting ChatGPT Free and Guest Plan Users
Started: Mar 17, 2:58 AM
monitoring
Mar 17, 3:55 AM
identified
Mar 17, 2:58 AM
Responses API errors when using background mode
Started: Mar 13, 7:38 PM
investigating
Mar 13, 7:38 PM
Conversation Errors for Logged out Users
Started: Mar 13, 1:48 PM
monitoring
Mar 13, 2:42 PM
investigating
Mar 13, 1:48 PM
Some users seeing "No Accessible Workspaces" when attempting to login via SSO
Started: Mar 12, 7:07 PM
monitoring
Mar 12, 7:36 PM
investigating
Mar 12, 7:17 PM
identified
Mar 12, 7:07 PM
Increased errors with ChatGPT file downloads
Started: Mar 10, 11:10 PM
monitoring
Mar 11, 10:05 PM
identified
Mar 11, 4:32 PM
identified
Mar 11, 7:22 AM
identified
Mar 10, 11:10 PM