Anthropic Investigates Performance Issues Affecting Claude.ai and Claude Code
Anthropic acknowledges ongoing disruptions
Anthropic posted a series of updates on its Claude status page indicating that it is currently investigating issues affecting Claude.ai and Claude Code. The updates note that some users may be unable to log in and that performance is slower than usual. Importantly, the Claude API is reported as not being impacted.
Symptoms reported by users
Users on free accounts reported long response times followed by error messages such as “Something went wrong.” One user described receiving a delivery error when attempting to sign in on another device. Another user on a paid plan shared a screenshot showing a login failure. The problems appear to affect the web version of Claude, while the iOS mobile app was reported to be working fine.
Down Detector data shows elevated reports
Down Detector, a service that tracks user‑reported outages, recorded more than a thousand reports at the height of the issue. Subsequent updates indicated that the number of reports began to drop, falling below a thousand and later reaching just over nine hundred. The decline suggests that the situation may be improving.
Anthropic’s response and next steps
The company’s status page stated that the issue has been identified and that a fix is being rolled out. An update mentioned that the investigation is ongoing and that the team is actively working on a resolution. No impact to the Claude API was noted, reassuring developers who rely on the API for integrations.
Current user experience
While the web interface continues to exhibit delays and occasional errors, users accessing Claude via the iOS app report normal functionality. This discrepancy highlights that the problem may be isolated to specific platforms or services within the Claude ecosystem.
Outlook
Anthropic’s continued communication through its status page and the observed decline in Down Detector reports suggest that the issue is being addressed. Users are advised to monitor the official status page for further updates and to expect a gradual restoration of full service as the fix is deployed.
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