Frontier AI models from major companies faced rare, concurrent outages on Thursday morning, with firms providing varying explanations for the service disruptions.
Key facts
- •OpenAI's outage lasted from 7:43 am PT to 8:17 am PT due to a routing error.
- •Anthropic's partial outage affected Claude models and was resolved by 9:16 am PT.
- •xAI attributed its Grok service disruption to an outage at a Memphis compute center.
- •Major infrastructure providers including Cloudflare, AWS, and Azure reported no outages on Thursday.
- •Anthropic and xAI maintain a compute partnership with SpaceX that was announced in May.
AI chatbots from OpenAI, Anthropic, and xAI experienced service outages on Thursday morning, September 3. While the simultaneous nature of the disruptions led to speculation regarding a shared third-party infrastructure failure, major cloud providers including Amazon Web Services, Microsoft Azure, and Cloudflare reported no issues.
By the numbers
Company-Specific Responses
OpenAI spokesperson Kathleen Chaykowski attributed the unavailability of ChatGPT and Codex to a routing error that began at 7:43 am PT and was resolved by 8:17 am PT. Anthropic reported a partial outage starting at 6:23 am PT affecting Claude models, including Mythos 5.1, Fable 5.1, and Opus 5, with a resolution marked by 9:16 am PT. xAI reported Grok outages beginning at 6:30 am PT, which the company resolved by 10:05 am PT.
Infrastructure and Partnerships
SpaceX, the parent company of xAI, stated that Grok's issues were caused by an outage at its Memphis compute center. The company also apologized to its compute partners. Anthropic and xAI previously announced a compute partnership with SpaceX in May. Meanwhile, reports of a potential Google Gemini outage remained unconfirmed, as the company did not record any incidents on its status dashboard.
Timeline
- 6:23 am PTAnthropic begins alerting users to a partial outage affecting Claude models.
- 6:30 am PTxAI reports Grok outages across its platforms.
- 7:43 am PTOpenAI experiences a routing error affecting ChatGPT and Codex.
- 8:17 am PTOpenAI implements a solution for its service outage.
- 9:16 am PTAnthropic marks its service issues as resolved.
- 10:05 am PTxAI marks the Grok outage as complete.
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This article was independently rewritten by ManyPress editorial AI from reporting originally published by Wired.
