Incident report · read from Anthropic's status page

Anthropic incident: Elevated errors for Claude Fable 5

Resolved after 30 m (14 Aug 2026 23:57 – 15 Aug 2026 00:27 UTC), impact major, affecting claude.ai.

Timeline

1. 14 Aug 2026 at 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.

2. 15 Aug 2026 at 00:20 UTC identified

   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.

3. 15 Aug 2026 at 00:21 UTC identified

   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.

4. 15 Aug 2026 at 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.

Affected components

• claude.ai: partial outage for 24 m

Source

Anthropic's own report of this incident, on Anthropic's status page. This page is a record of Anthropic's own report; where the two disagree, theirs is right.

Last checked 8 Sep 2026 at 16:16 UTC.

Must Have AI is a parody and is not affiliated with, endorsed by or connected to OpenAI, Anthropic or Google. Every outage shown here is read from the provider's own public status page.