Claude Status · History · Incident #4143

RESOLVED

Elevated errors for Claude Opus 4.8

Major · Started May 29, 2026 · 6:35 PM

Duration

36m
Severity

Major
Detection lead

—
User reports

—

Summary

Elevated errors for Claude Opus 4.8

This issue has been resolved.

Started

May 29, 2026 · 6:35 PM
Resolved

May 29, 2026 · 7:12 PM
Duration

36m
Severity

Major

Event timeline

How this incident unfolded

◐

Investigating
May 29 · 6:35 PM Claude

We are investigating elevated errors on requests to Claude Opus 4.8. We will provide an update as soon as possible.
◉

Monitoring
May 29 · 6:55 PM Claude

A fix has been deployed for Claude Opus 4.8 and success rates have returned to normal. Users saw elevated errors on requests to the model from 18:16–18:42 UTC.
✓

Resolved
May 29 · 7:12 PM Claude

This issue has been resolved.

Pattern

Other recent incidents

Browse full incident history →

Get alerted before the next Claude outage.

Pulsetic catches degradations minutes before vendors acknowledge them.

Start monitoring free