- Sources: Wired, discussion
- Summary: Wired reports that OpenAI attributes ChatGPT and Codex unavailability to a routing error from about 07:43 PT on 2026-09-03, resolved by about 08:17 PT, and that xAI's parent SpaceX attributes Grok to an outage at its Memphis compute centre. Anthropic alerted a partial outage at 06:23 PT covering Claude Mythos 5.1, Fable 5.1 and Opus 5, marked it resolved at 09:16 PT, and declined to comment. Cloudflare, AWS and Azure reported no incidents that day, and none of the three providers published a post-incident report.
- Why it matters: The stated causes are unrelated, which removes the shared-dependency explanation operators reached for while the status pages were still investigating.
- Follow-up: Watch for a post-incident report from OpenAI, Anthropic or xAI.
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