Claude Opus 5 performance issue resolved after outage
Anthropic reported degraded performance affecting multiple models, including Claude Opus 5. The issue lasted from 16:11 to 18:23 UTC and has been resolved.
First seen 18 Aug, 19:01 UTC on status.claude.com1 sourceLast update 62d ago
AnthropicIncident · 18 Aug
Minor service incident
What the sources say
Linked, never rewritten. Official means the lab itself.
Press0
No independent coverage yet.
How it unfolded
Every source in the order it appeared. Times in UTC.
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