Claude Status · History · Incident #3706

RESOLVED

Elevated error rates on requests to some models

Major · Started May 15, 2026 · 12:18 AM

Duration

1h 28m
Severity

Major
Detection lead

—
User reports

Peak 7/hr

Summary

Elevated error rates on requests to some models

This incident has been resolved.

Started

May 15, 2026 · 12:18 AM
Resolved

May 15, 2026 · 1:46 AM
Duration

1h 28m
Severity

Major

Event timeline

How this incident unfolded

◐

Investigating
May 15 · 12:18 AM Claude

We are currently investigating this issue.
◐

Investigating
May 15 · 12:19 AM Claude

We are continuing to investigate this issue.
◆

Identified
May 15 · 1:06 AM Claude

We are currently working to resolve issues affecting requests to Claude Opus and Sonnet 4.6, though success rates for Opus 4.7 have returned to normal.
◆

Identified
May 15 · 1:26 AM Claude

We are working to resolve errors impacting Claude Opus 4.6, and have seen both Sonnet 4.6 and Opus 4.7 return to normal success rates.
✓

Resolved
May 15 · 1:46 AM Claude

This incident has been resolved.

User reports · incident window

Report volume over time

Hourly report count — red bars mark the incident window.

Peak: 7 reports/hr

← Before incident After →

Pattern

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