Claude multi-model elevated errors on Aug 24 resolved after 3.5 hours
Anthropic's Claude Mythos 5, Fable 5, Opus 5 and others saw elevated errors from 04:50 UTC on Aug 24, resolved at 08:30 UTC.
On August 24, multiple Claude models experienced elevated error rates. The incident began at 04:50 UTC, affecting Claude Mythos 5, Fable 5, Opus 5, Opus 4.8, Claude Code, and other services. Anthropic confirmed at 05:27 UTC that it had identified the cause and begun remediation.
Error rates stabilized from 07:47 UTC, and the incident was officially marked resolved at 08:30 UTC, with a total duration of approximately 3.5 hours. This is yet another independent Claude incident recorded in August. Anthropic's 90-day uptime figures remain in the high 99% range.
Throughout August, Claude has logged multiple separate incidents: August 13 (Mythos 5/Fable 5/Sonnet 5), August 14-15 (API/Code/Cowork), August 16 (authentication failures), August 17 (Opus 5/Sonnet 5), August 18 (Opus 5/Haiku 4.5/Mythos 5/Fable 5/Sonnet 5 multi-model degradation for 17 hours), and August 20 (Google Connectors errors).