Elevated errors for Claude Sonnet 5.5 and other models

Claude Status · Resolved

Status

Resolved

Severity

Unknown

Started

Oct 25, 2026 06:14 UTC

Resolved

Oct 25, 2026 07:53 UTC

Timeline

Resolved · Claude Status · Oct 25 07:53 UTC

Resolved

The issue affecting Claude services has been resolved. Impact occurred from 23:05 PT on October 24 / 06:05 UTC on October 25 to 23:35 PT on October 24 / 06:35 UTC on October 25.

Elevated errors for Claude Sonnet 5.5 and other models →
Monitoring · Claude Status · Oct 25 06:35 UTC

Monitoring

A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.

Elevated errors for Claude Sonnet 5.5 and other models →
Identified · Claude Status · Oct 25 06:27 UTC

Identified

We have identified the cause of elevated errors on requests to Claude Sonnet 5.5 and are working on a fix. We will provide an update as soon as possible.

Elevated errors for Claude Sonnet 5.5 and other models →
Investigating · Claude Status · Oct 25 06:14 UTC

Investigating

We are investigating elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, Claude Opus 5.5, Claude Sonnet 5.5, and Claude Haiku 5.5. We will provide an update as soon as possible.

Elevated errors for Claude Sonnet 5.5 and other models →