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Outage in Claude

Elevated errors on Claude Sonnet 4.6 and Opus 4.8

Resolved Minor
June 16, 2026 - Started 1 day ago - Lasted about 2 hours
Official incident page

Incident Report

Summary AI Generated

**Summary:** Claude experienced elevated error rates affecting Sonnet 4.6 and Opus 4.8 models across claude.ai, the console, and the API for approximately 2.1 hours. Users encountered failed message sends, extended load times, and persistent spinning indicators with no response. Sonnet 4.6 recovered mid-incident, followed by full resolution including Opus 4.8 shortly after.

We are currently investigating this issue.
Components affected
Claude claude.ai Claude console.anthropic.com Claude api.anthropic.com
Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 06/17/2026 02:50AM

This incident has been resolved.

IDENTIFIED 1 day ago - at 06/17/2026 01:52AM

At this time, success rates for Claude Sonnet 4.6 have recovered and we are working to resolve an issue resulting in elevated errors on Opus 4.8. We will provide additional updates as soon as possible.

INVESTIGATING 1 day ago - at 06/17/2026 12:47AM

We are currently investigating this issue.

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