Claude; the AI chatbot from Anthropic experienced a significant outage this morning. Multiple reports confirm widespread issues starting around 6-7 a.m. ET roughly 11-12 UTC, with thousands of users unable to access the main claude.ai web interface, Claude Code, login/logout functions, and related consumer-facing services.
Error messages included things like “This isn’t working right now,” HTTP 500/529 errors, connection terminations, and general degraded performance. Anthropic’s official status page initially marked it as “Investigating” elevated errors, later updated to “Identified” with a fix being implemented.
They clarified that the Claude API remains operational mostly for business and enterprise use, but claude.ai and related frontend paths were hit hardest. Downdetector showed a spike of nearly 2,000 user reports around the start time, dropping later in the morning.
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Forbes described it as a partial-to-major worldwide outage lasting several hours, with some lingering issues reported into the afternoon. On X, developers and users posted reactions like “Claude is down, hope you remember how to center a div” or “RIP my coding career,” highlighting heavy reliance on it for work especially coding tasks.
Anthropic indicated progress on fixes, so it may already be stabilizing or resolved for many users. In the meantime, many folks are falling back to alternatives like Grok.
The root cause of the morning outage affecting claude.ai, the console, Claude Code, and related consumer-facing services hasn’t been publicly detailed beyond specific symptoms. The incident started around 11:49 UTC with “elevated errors” reported across claude.ai, console, and Claude Code.
By ~12:21 UTC, they clarified: The core Claude API (api.anthropic.com, used mostly by developers/enterprises) was “working as intended.” The problems were isolated to claude.ai (the main web/app interface) and specifically the login/logout paths (authentication flows, session management, etc.).
At ~13:22 UTC, they stated the issue was identified and a fix was being implemented. Later updates ~13:37 UTC noted some API methods started failing too, but the primary focus remained on frontend/auth issues. A separate but overlapping incident involved “elevated errors on Claude Opus 4.6”, also identified with a fix in progress, but no direct tie to the main outage was confirmed.
Status remains “Identified – fix being implemented” for the main claude.ai incident, with no full resolution or ETA shared yet. Government tools stayed operational throughout. Anthropic hasn’t released an explicit “root cause” statement; no mention of a specific bug like a bad deploy, database overload, or config error.
However, reliable reports and status phrasing point strongly to issues in the authentication and session infrastructure—likely things like: Problems with identity providers, token validation, or session stores. Possible overload from “unprecedented demand”; Claude surged in popularity recently, topping charts and seeing user migration amid other AI news and drama.
Not a core model or API inference failure, since backend API stayed mostly up. Some speculation in coverage on X or forums linked it to external events like geopolitical tensions or cloud provider issues, but no credible evidence supports that—Anthropic’s updates don’t mention it, and distributed setups make single-region failures unlikely for total consumer outage.
No postmortem or detailed explanation has dropped yet (common for these to come hours and days later). Check status.claude.com directly for real-time updates—many users report partial recovery already, though login glitches linger for some.
In short: Authentication and login system failure on the consumer web and app side is the closest to a disclosed root cause right now, amid high traffic strain.