Multiple OpenAI services experiencing malfunctions affecting API and Codex usage According to Golden Finance, on May 13th, the status page of OpenAI's official website showed that OpenAI is troubleshooting multiple service failures, among which the Codex 5.5 engine has a high error rate, and free users are particularly affected. The GPT 5.5 latency of all Codex users has also increased. In addition, there has been an interruption in the SIP/WebRTC process of Realtime API, which has been marked as "under investigation" by the authorities. The related issue has been ongoing for several hours. The official website indicates that the impact of the malfunction may vary depending on the subscription level, model, and functionality used.