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Is Claude down for you? Here's what's going on (Update: Back online)
Sep 3, 2026 — 10:02 AM ET
- Anthtopic has confirmed that Claude is experiencing elevated errors.
- The issue affects Mythos 5.1, Fable 5.1, Opus 5, and more.
- The company says it has identified the issue and is working on a fix.
Update: September 3, 2026 (12:27 PM ET): According to Anthropic, the issue has been resolved and all models are operational again.
Original article: September 3, 2026 (10:02 AM ET): Having some trouble with Claude today? You’re far from the only one, as a growing number of users are also reporting issues. Here’s what’s going on with Anthropic’s AI services.
Over on Anthropic’s status page, the company confirms that multiple Claude models are experiencing elevated rates of error. All of the affected models include Mythos 5.1, Fable 5.1, Mythos 5, Fable 5, Opus 5, Opus 4.8, and Opus 4.6. Fortunately, Anthropic says that it has identified the cause of the errors and it is working on a fix.
It sounds like a resolution may not be far off, so we’ll keep an eye on the situation. When all services are back online, this article will be updated.
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