Provider
AnthropicIncident detail
Elevated errors for Claude Mythos 5, Claude Fable 5, and Claude Sonnet 5
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Timeline
Incident updates
Every update Anthropic posted, oldest to newest, exactly as it appeared on their official status page.
Investigating
We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, and Claude Sonnet 5. We will provide an update as soon as possible.
Investigating
We are investigating elevated errors on requests to Claude Mythos 5 and Claude Fable 5. We will provide an update as soon as possible.
Resolved
The issue affecting Claude Mythos 5 and Claude Fable 5 has been resolved.
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More from Anthropic
Neighboring incidents on Anthropic's timeline and the rest of their record on OutageDeck.