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Outage in Anthropic

Elevated errors for Claude Opus 4.8

Resolved Major
June 16, 2026 - Started about 5 hours ago - Lasted about 1 hour
Official incident page

Incident Report

Summary AI Generated

Anthropic experienced elevated errors on Claude Opus 4.8 affecting both claude.ai and the API, lasting approximately 13 minutes between 1:45–1:58 PM PT on June 16, 2026. The issue was identified and resolved, with monitoring continuing afterward to ensure stability. No further disruptions were reported following the fix.

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

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Latest Updates ( sorted recent to last )
RESOLVED about 4 hours ago - at 06/16/2026 10:02PM

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.

MONITORING about 5 hours ago - at 06/16/2026 09:01PM

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.

INVESTIGATING about 5 hours ago - at 06/16/2026 08:50PM

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

Latest Anthropic outages

Opus 4.8 errors - about 6 hours ago

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