# Anthropic says Claude outage affects multiple model families

_Published Thursday, September 3, 2026 at 4:07 PM EDT · AI, Infrastructure · Latest · Tier 2 — Notable_

![Anthropic says Claude outage affects multiple model families — Primary](https://www.bleepstatic.com/content/hl-images/2026/05/07/Claude_AI.png)

Anthropic said it was investigating and working to fix elevated errors affecting multiple Claude models on September 3, according to BleepingComputer. The incident began around 9:41 a.m. Eastern time and affects Mythos and Fable 5.1, Mythos and Fable 5, Opus 5, Opus 4.8 and Opus 4.6. Users may see requests fail or return errors. At the article's publication, Anthropic said the outage remained ongoing.

## Sources

- [BleepingComputer](https://www.bleepingcomputer.com/news/artificial-intelligence/anthropic-confirms-claude-is-down-multiple-models-affected/)

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Canonical: https://techandbusiness.org/newswire/xwpx0i1Fjl-XFMkEEiAn93
Published: 2026-09-03T20:07:09.931Z
Story chronology: 2026-09-03T13:41:00.000Z
Retrieved: 2026-10-19T18:36:52.631Z
Publisher: Tech & Business (techandbusiness.org)