Summary
- OpenAI said an outage affecting its generative artificial intelligence (AI) service ChatGPT has been resolved and that all affected services have been fully restored.
- The file upload error on ChatGPT began at 10:23 a.m. on May 11, and recovery was completed at 2:35 p.m. the same day.
- OpenAI said it had applied mitigation measures for file upload and Codex-related errors and was monitoring the recovery.
Forecast Trend Report by Period


OpenAI says ChatGPT fully restored after outage
File upload error fixed in about four hours

OpenAI said an outage affecting its generative artificial intelligence service ChatGPT has been resolved.
The company said on May 11 that all affected services had been fully restored. Recovery was completed at 2:35 p.m. on May 11.
A file upload error began affecting ChatGPT earlier in the day. The issue started at 10:23 a.m. on May 11.
OpenAI had earlier said users could encounter elevated errors in ChatGPT file uploads and Codex generation tasks. The Codex-related issue was resolved at 12:24 p.m. on May 11.
The company later said it had applied mitigation measures and was monitoring the recovery.
Some ChatGPT users posted on social media platforms including X to complain about disruption from the file upload error.
Kim Dae-young, Hankyung.com reporter, kdy@hankyung.com

Korea Economic Daily
hankyung@bloomingbit.ioThe Korea Economic Daily Global is a digital media where latest news on Korean companies, industries, and financial markets.





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