Anthropic's Claude service is down worldwide due to authentication system failures affecting multiple products. More than 1,500 reports appeared on Downdetector within minutes on September 29.
When queried, Claude fails to respond and instead shows the message "Temporarily unable to authenticate."
The outage began hours after the release of Claude Sonnet 5.5, noted for its performance-to-price ratio.
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Claude Meetings is rolling out in a beta on Team and Enterprise plans. It joins a Google Meet call as a visible participant, takes notes, and can build docs and whiteboards during the call.
Anthropic says early estimates show its new anti-distillation defenses cut the data distillers harvest from Claude by about 90-99%. It has banned tens of thousands of accounts, but says it doesn't know how long the gains will last.
Anthropic has published 10 recommendations for designing, running, and reporting safety evaluations. The company has paused many tests that give models internet access and now monitors the web-search tests that still need a connection.
Microsoft has marked Microsoft 365 business and enterprise services as degraded. The strain comes from servers that became unavailable, not from a rise in traffic, and mailbox access has been affected in the Americas.
Anthropic says self-hosted Claude Managed Agents is in private beta. The harness, sandboxes, credentials, and session history can run in a customer's own cloud or on-premise. Model requests can go to Anthropic, a cloud provider, or the customer's own gateway.
