ChatGPT and Claude Experience Partial Outages, OpenAI Reports Resolution

A widespread partial outage disrupted ChatGPT use for many users, prompting over 12,000 reports on Down Detector. OpenAI identified elevated error rates across its ChatGPT and Platform services and marked the issue resolved by 5:14 PM ET, though a separate alert remained for its API fine‑tuning component. Anthropic’s Claude AI faced a similar API error, which was resolved by 1 PM ET. Both companies communicated status updates, confirming mitigation steps and ongoing monitoring.

Outage Overview

Users attempting to access ChatGPT encountered a partial service disruption that affected a significant portion of the user base. Monitoring tools recorded a surge in problem reports, with Down Detector documenting more than 12,000 reports at the peak of the incident. The outage manifested as elevated error rates for both the ChatGPT interface and the broader OpenAI Platform, indicating widespread technical difficulties.

OpenAI’s Response and Resolution

OpenAI promptly issued a status update acknowledging the elevated error rates and confirming that the issue was under investigation. By 5:14 PM ET, the company marked the primary problem as resolved, noting that mitigation measures had been applied and that monitoring was ongoing to ensure stability. Despite the resolution of the main outage, OpenAI maintained an active status alert for the fine‑tuning component of its API service, signaling that a subset of its offerings continued to experience challenges.

The organization’s communication emphasized that mitigation steps had been taken and that the situation was being closely observed, reflecting a commitment to transparency and rapid response.

Claude’s Parallel Outage

In parallel, Anthropic’s Claude AI chatbot experienced a similar disruption, with users reporting an elevated error rate across all Claude models via the API. Anthropic’s status page indicated that the issue was resolved by 1 PM ET, demonstrating a timeline that overlapped with the ChatGPT incident but concluded earlier in the day.

Impact and Monitoring

The concurrent outages highlighted the interdependence of AI services and the importance of robust monitoring systems. Both OpenAI and Anthropic provided public status updates, offering users insight into the nature of the problems and the steps taken to restore full functionality. The incidents underscore the challenges inherent in scaling AI platforms and the need for continuous vigilance to maintain service reliability.

Future Outlook

While the primary disruptions have been addressed, OpenAI’s continued alert for its fine‑tuning API suggests that further observations may be required. Users and developers are encouraged to stay informed through official status channels to receive the latest information on service health.