Multiple OpenAI services experienced outages, affecting API and Codex usage.

CoinFeed reported on May 13th that OpenAI's official website status page indicates that OpenAI is investigating multiple service outages. Among them, the Codex 5.5 engine is experiencing a high error rate, particularly affecting free users. GPT 5.5 latency has also increased for all Codex users. Additionally, the Realtime API's SIP/WebRTC process is experiencing interruptions, officially marked as "under investigation," and the issue has persisted for several hours. The website notes that the impact of the outage varies depending on subscription level and the models and features used.