On June 18, 2026, Anthropic restored its Claude AI chatbot after a service disruption that lasted about 45 minutes, with impact limited to roughly 06:55–07:40 UTC.
June 18, 2026 · Anthropic
Claude Goes Dark for 45 Minutes — Then Bounces Back
A brief service disruption hit claude.ai with blank responses and connection errors. Anthropic identified the cause and restored service the same day — but it was the platform's second outage that month.
45min
Outage window
2,174
Peak user-submitted outage reports
98.93%
90-day uptime for claude.ai
A Recurring Pattern in 2026
Disruptions have recurred — and June saw two outages amid surging demand.
Outages per month · taller column = more incidents
The "Success Tax"
Infrastructure capacity has struggled to keep pace with explosive adoption — a strain shared across the industry, including OpenAI's ChatGPT.
• Elevated error rates on models such as Opus 4.8
• Cloud-partner expansion underway, some capacity not yet deployed
• Rising load tracks rapid user & enterprise growth
Credit where due
Anthropic swiftly identified the cause, kept its status page updated, and restored service the same day.
The concern
Even tens of minutes of downtime hits developers relying on Claude Code and the API — and infrastructure is failing to keep up with demand.
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