Anthropic Outage History

Anthropic's Claude.ai experienced a brief outage that interrupted access to the Claude.ai service for a short period. The outage lasted approximately 5 minutes, from Jan 10, 2025 10:18 PM UTC to Jan 10, 2025 10:23 PM UTC and affected user interactions with Claude.ai during that window.

The incident prompted two official status updates from Anthropic as engineers investigated and restored service. User reports began around 10:15 PM UTC ahead of the acknowledgment, indicating some users observed issues before the status page reflected them.

Anthropic Claude API experienced a brief period of elevated errors on the api.anthropic.com endpoint, affecting API access for a short time. Users may have encountered failed requests or slower responses during the incident. The outage began at 10:48 PM UTC and was resolved by 11:18 PM UTC, lasting about 30 minutes. The issue was tracked through status updates on the Claude status page, with the api.anthropic.com component moving from up to warn before returning to up.

The Claude 3.5 Sonnet API experienced elevated errors affecting requests through the API, Claude.ai, and the Anthropic Console, causing degraded experiences for users attempting to use Claude 3.5 Sonnet features. The incident began on Jan 4, 2025 11:23 AM UTC and was resolved by Jan 4, 2025 2:43 PM UTC, lasting roughly 3 hours and 20 minutes.

The provider issued two official updates during the incident, detailing the issue and its remediation. Affected components included console.anthropic.com, claude.ai, and api.anthropic.com.

Anthropic Claude API experienced elevated errors for Claude 3.5 Sonnet, affecting two components: claude.ai and api.anthropic.com. Users attempting to call Claude 3.5 Sonnet could have encountered failed requests or timeouts during the incident.

The issue began at Jan 4, 2025 9:33 AM UTC and was resolved by Jan 4, 2025 9:53 AM UTC, lasting about 20 minutes. The Claude status page issued two updates during the event, noting an investigation and subsequent recovery. Affected components included claude.ai and api.anthropic.com.

Anthropic Claude 3.5 Sonnet API, including Claude.ai and the Anthropic Console, experienced brief elevated errors causing intermittent access issues for a portion of users. The incident affected 3 components: api.anthropic.com, claude.ai, and console.anthropic.com, and lasted about 21 minutes.

Timeline and response: The incident began at 1:58 AM UTC when the status page moved to a degraded state and listed an investigation. By 2:19 AM UTC the issue was resolved and services returned to normal. The Anthropic status page issued 2 updates during the incident.

Anthropic Claude 3 Opus experienced a brief degraded performance with elevated error rates across Claude 3 Opus services. The issue affected three components: claude.ai, console.anthropic.com, and api.anthropic.com, causing users to encounter errors during usage. Anthropic's status page indicated an investigating state during the incident.