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
3. wired.com · Nobody Is Saying Why OpenAI and Anthropic Had Outages Today Sep 3, 2026

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