Claude Mythos 5.1, Fable 5.1 and Opus 5 hit elevated errors, Anthropic investigating
ClaudeAI-mod-bot · reddit · 2026-09-03
Anthropic's status page reports elevated error rates for Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 starting Sep 3, 13:26 UTC. The incident is under investigation; the subreddit discussion hub tracks updates from status.claude.com and will be removed an hour after resolution.
Related event: ChatGPT, Claude and Grok Suffer Rare Simultaneous Outage(101 posts)→
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