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AnthropicIncidentMateriality 1

Anthropic reports elevated errors on Claude Opus 5, now resolved

Anthropic reported elevated errors on Claude Opus 5. The incident lasted about 63 minutes and errors returned to baseline as of 4:47 PST.

First seen 27 Jul, 12:30 UTC on status.claude.com1 sourceLast update 85d ago

What the sources say

Linked, never rewritten. Official means the lab itself.

Official1

status.claude.com· 27 Jul, 12:30Elevated errors on Claude Opus 5

Press0

No independent coverage yet.

How it unfolded

Every source in the order it appeared. Times in UTC.

27 Jul 12:30status.claude.com Elevated errors on Claude Opus 5

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