OpenAI Outage History

OpenAI experienced an issue where pinned chats failed to load on web browsers for ChatGPT users. The problem affected ChatGPT's web interface and persisted for 9.2 hours before a mitigation was applied and the service was restored to normal operation.

OpenAI's Sora video generation service experienced elevated error rates for 3.5 hours, affecting both the API and Sora app, with users unable to process video generation requests. The engineering team implemented mitigations that improved success rates, though high error rates initially persisted. Services eventually recovered after additional mitigations were applied and the team continued monitoring for full resolution.

OpenAI experienced high error rates affecting ChatGPT 5.4 Pro and web services for 27 minutes on March 17, 2026. The incident was classified as minor and the team investigated the issue with the affected components. The service disruption lasted from approximately 6:16 PM UTC until resolution.

OpenAI's Excel Plugin experienced accessibility issues for some users, causing elevated errors for approximately 1.4 hours. The company identified the problem and worked on implementing a mitigation to resolve the service disruption.

OpenAI experienced elevated errors affecting user sign-ins and account creation for ChatGPT and login services. The incident lasted 1.1 hours, during which users encountered authentication failures when trying to access their accounts or create new ones. OpenAI identified the issue, implemented a mitigation, and monitored the recovery.

OpenAI experienced elevated errors affecting ChatGPT free and guest plan users for 2.4 hours, with users reporting "Unable to process" errors when attempting to create videos. The company identified the issue, implemented a mitigation, and monitored the recovery to resolve the service disruption.

OpenAI's Responses API experienced errors when customers used the background mode feature, starting around 11:50am PT. The issue affected API functionality for users attempting to make calls with the background:true parameter. The incident lasted 29 minutes while the team investigated and resolved the problem.

OpenAI experienced an issue where logged out users encountered a high rate of errors when using ChatGPT through the web interface. The incident affected ChatGPT's web platform for 1.4 hours. OpenAI applied a mitigation and monitored the recovery to resolve the conversation errors.

OpenAI experienced a 4.4-hour service incident where some users encountered "No Accessible Workspaces" errors when attempting to login via SSO, affecting ChatGPT and the login system. The company identified the login issues, implemented a mitigation, and monitored the recovery to resolve the problem.

OpenAI experienced elevated login errors affecting Sora, ChatGPT, and APIs for 35 minutes. Users were unable to log into the impacted services during this period. The team identified the login issues and worked on implementing a mitigation to resolve the problem.