Elevated errors for Claude Fable 5

Anthropic resolved an issue affecting Claude services, including claude.ai and Claude Fable 5, that caused elevated errors from 20:00 Aug 14 to 00:11 Aug 15, 2026 UTC. The company identified the cause at 23:57 UTC and deployed a fix, with impact ending at 00:11 UTC.

Aug 15 , 00:27 UTC Resolved - The issue affecting Claude services has been resolved. Impact occurred from 20:00 Aug 14, 2026 to 00:11 Aug 15 , 2026 UTC. Aug 15 , 00:21 UTC Update - We have identified the cause of the issue affecting Claude services and are working on a fix. We will provide an update as soon as possible. Aug 15 , 00:20 UTC Update - We have identified the cause of the issue affecting claude.ai and are working on a fix. We will provide an update as soon as possible. Aug 14 , 23:57 UTC Identified - We have identified the cause of elevated errors on requests to Claude Fable 5 and are working on a fix. We will provide an update as soon as possible.