Claude is down Anthropic's Claude assistant is experiencing a major outage as of Monday, Aug. 24, with models Claude Mythos 5, Claude Fable 5, Claude Opus 5, and Claude Opus 4.8 returning errors due to 'unexpected capacity constraints.' The company's status dashboard confirms elevated errors and says it is investigating, but no cause or resolution time has been provided. Other LLMs like OpenAI's ChatGPT appear to be unaffected. Claude is down Stan Schroeder /author/stan-schroeder Read Full Bio /author/stan-schroeder Anthropic's smart assistant Claude is experiencing a major outage. Early on Monday, Aug. 24, we've noticed that Claude Fable 5 and Opus 5 aren't responding to our queries, returning an error. "The response didn't load," the error message said. "Due to unexpected capacity constraints, Claude is unable to respond to your message. Try again soon." The company's own status dashboard for Claude https://status.claude.com/ confirms the issue. "We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, and Claude Opus 4.8. We will provide an update as soon as possible," one update said. There's no word on what caused the issues or when we can expect a resolution. Terms of Use https://www.ziffdavis.com/terms-of-use and Privacy Policy https://www.ziffdavis.com/ztg-privacy-policy . You May Also Like The most recent update at writing time didn't add any new information: "We are continuing to work to resolve issues causing elevated requests on multiple models." Other companies' LLMs, including OpenAI's ChatGPT, appear to be working fine. This is a developing story. We'll keep updating as we learn more. Topics Anthropic https://mashable.com/category/anthropic Stan is a Senior Editor at Mashable, where he has worked since 2007. He's got more battery-powered gadgets and band t-shirts than you. He writes about the next groundbreaking thing. Typically, this is a phone, a coin, or a car. His ultimate goal is to know something about everything.