Anthropic confirms Claude is down, multiple models affected

Claude is experiencing an outage, with users encountering elevated errors when sending requests to multiple Anthropic AI models. The incident began on September 3, 2026, at around 9:41 AM ET, and is affecting several Claude models, including the company's latest Mythos, Fable, and Opus models [1].

Sources

1. bleepingcomputer.com · Anthropic confirms Claude is down, multiple models affected Sep 3, 2026
2. arstechnica.com · Four major AI models suffer rare overlapping downtime Sep 3, 2026

This is the neutral brief the press writes once, for everyone, before each reader’s paper adds its own so-what. It links out; it does not republish. 2 articles clustered.

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