Claude Major Outage - June 16, 2026

Provider incident title: “Elevated errors for Claude Opus 4.8”

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Started

Tuesday, June 16, 2026

08:50 PM UTC

Duration

1h 12m

total

Resolved

10:02 PM UTC

Jun 16, 2026

Severity: Major Outage|Affected: Claude|Duration: 1h 12m

Incident Timeline3 updates · oldest first

08:50 PM UTC—Investigating

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

09:01 PM UTC—Monitoring

We have resolved the issue resulting in elevated errors on requests to Claude Opus 4.8, and are currently monitoring closely to prevent any further issues.

10:02 PM UTC—Resolved

This issue has been resolved. We saw elevated errors on requests to Claude Opus 4.8 between 1:45pm PT / 20:45 UTC and 1:58pm PT / 20:58 UTC.

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About This Report

Claude 30-day uptime: 100% based on Tickerr's independent monitoring checks.

This incident was sourced from Claude's official Atlassian Statuspage. Tickerr ingests updates every 10 minutes to surface incidents as they are posted by the provider.

This incident lasted 1h 12m.

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