Anthropic Outage History

An authentication issue briefly affected logging into Claude.ai and the Anthropic Console on 28 February 2025. Users attempting to sign in experienced errors, preventing access to Claude.ai and the Anthropic Console. The incident began at Feb 28, 2025 8:33 PM UTC and lasted about 5 minutes until the services were restored by Feb 28, 2025 8:38 PM UTC. The outage affected two components: claude.ai and console.anthropic.com.

Status page updates showed the issue was under investigation and later resolved, with both claude.ai and console.anthropic.com returning to normal. The provider issued 2 status updates during the incident.

Anthropic Claude experienced a brief degraded performance due to elevated errors for requests to Claude 3.5 Sonnet 0620, impacting console.anthropic.com, api.anthropic.com, and claude.ai. The incident began at Feb 27, 2025 7:53 PM UTC when the status page moved to a degraded state and was resolved by Feb 27, 2025 8:29 PM UTC, lasting about 36 minutes. The provider issued 2 status updates during the incident. The issue was identified and a fix implemented, with components returning to normal operation after the brief degradation.

Anthropic's Claude.ai experienced an issue where past chats could appear to have been recently updated, disrupting the chronological order of Claude.ai chats including the recent chats view. This impacted the claude.ai component and prompted a brief degraded period while engineers investigated. The incident began at Feb 27, 2025 1:13 AM UTC and was resolved by Feb 27, 2025 4:28 AM UTC, with two status updates issued during the course of the incident as the team worked to restore normal ordering of chats.

The Claude 3.7 Sonnet service experienced degraded performance with elevated errors across Claude.ai, the API at api.anthropic.com, and the Anthropic Console at console.anthropic.com. The outage began on Feb 26, 2025 2:03 AM UTC and was resolved by Feb 26, 2025 4:33 AM UTC, lasting about 2 hours and 30 minutes. Users attempting to access Claude capabilities may have encountered failures or timeouts during this period.

Anthropic's status page confirmed an investigation and subsequent restoration to normal operations. The provider issued two updates over the course of the incident.

Anthropic Claude experienced a brief outage affecting claude.ai, console.anthropic.com, and api.anthropic.com. Users attempting to use Claude 3.5 June Sonnet encountered errors during the incident, which lasted from Feb 25, 2025 5:18 PM UTC until Feb 25, 2025 5:38 PM UTC. The official Claude status page acknowledged elevated errors and stated that the issue had been identified and a fix was being implemented, with updates issued as the incident progressed. The service was restored by Feb 25, 2025 5:38 PM UTC after two status updates.

Anthropic experienced a short degraded performance event for Claude 3 Opus, with elevated errors on requests to Claude 3 Opus. The issue affected three components: claude.ai, api.anthropic.com, and console.anthropic.com. The outage began on 1:48 AM UTC and was resolved by 2:23 AM UTC, lasting about 35 minutes. During the incident, the service issued two status updates and later confirmed that a fix had been implemented and monitoring showed restoration of normal operation.

An outage briefly affected Anthropic Claude services, with elevated errors reported for Claude 3 Sonnet. The incident began on 11:28 AM UTC and was resolved by 11:43 AM UTC, lasting about 15 minutes. The Claude API (api.anthropic.com) and Claude Console (console.anthropic.com) were impacted, causing failed requests and timeouts for users during the window. Anthropic issued two status updates, noting that a fix had been implemented and that they were monitoring results as the services returned to normal.

Anthropic Claude 3.5 Sonnet experienced a brief period of elevated errors affecting requests to Claude 3.5 Sonnet. The incident impacted api.anthropic.com, claude.ai, and console.anthropic.com, causing degraded performance and error responses for a short time. Services were restored quickly after the event.

According to the official status updates, the issue was identified and a fix was being implemented. The incident began at 9:53 PM UTC and was resolved by 9:58 PM UTC. The provider noted identification at 9:48 PM UTC and published two status updates during the incident, covering all affected components.

An incident affected Anthropic Claude 3.5 Sonnet and Haiku 3, causing elevated errors when calling Claude APIs. The issue was limited to the Claude.ai component and specific model endpoints, with users potentially experiencing request errors during the window. The outage began at Feb 23, 2025 8:38 PM UTC and lasted about 25 minutes, resolving by Feb 23, 2025 9:03 PM UTC.

Anthropic Claude experienced elevated errors for requests to Claude 3.5 Sonnet, impacting claude.ai, console.anthropic.com, and api.anthropic.com and causing degraded performance for users. The incident began at 7:43 AM UTC and was resolved by 8:13 AM UTC, lasting roughly 30 minutes. The Claude status page indicated the issue had been identified and a fix was being implemented, with two status updates issued during the incident as teams worked to restore normal service.