Anthropic Outage History

Anthropic Claude 4 Opus users relying on the API, Claude.ai, and the Anthropic Console encountered elevated errors when submitting requests, affecting prompts, completions, and console access. The issue impacted api.anthropic.com, claude.ai, and console.anthropic.com, with users reporting intermittent failures during the event window.

Anthropic's Sonnet endpoints experienced elevated errors affecting model requests, with users seeing failures or degraded responses when interacting with Sonnet models through console.anthropic.com, api.anthropic.com, or claude.ai.

Official updates show the incident began with a service investigation at Jul 16, 2025 6:12 AM UTC, with user-facing impact beginning around Jul 16, 2025 7:18 AM UTC and a restoration by Jul 16, 2025 8:48 AM UTC. The service posted two updates during the incident, and the outage lasted about 1 hour and 30 minutes.

Anthropic Claude 4 Sonnet encountered elevated errors affecting request handling, resulting in degraded responses for users. The outage began at 3:03 PM UTC and affected three components: console.anthropic.com, claude.ai, and api.anthropic.com, with users reporting capacity constraints and the system's inability to respond to messages.

The provider issued two status updates during the incident, noting that the issue had been identified and a fix was being implemented, and the service returned to normal by 4:08 PM UTC. The outage lasted approximately 1 hour and 5 minutes and impacted multiple Claude endpoints across the console, AI, and API surfaces.

Anthropic Claude experienced a brief outage due to capacity constraints affecting response availability. The outage began at 1:57 PM UTC and was resolved by 2:12 PM UTC (about 15 minutes). StatusGator detected the issue at Jul 15, 2025 1:57 PM UTC, ahead of any official acknowledgment. Users reported overload and unresponsiveness during the window, but Claude's status page posted no updates during the incident. The service returned to normal after the brief capacity constraint, with limited impact based on reported observations.

Anthropic Claude 4 Opus experienced intermittent elevated error rates affecting requests to Claude 4 Opus. Issues began around 10:00 UTC and the Claude status page listed a degraded experience starting at Jul 15, 2025 12:38 PM UTC. The affected components were console.anthropic.com, claude.ai, and api.anthropic.com. The degraded period lasted about 25 minutes, with recovery noted by Jul 15, 2025 1:03 PM UTC. The provider posted two official updates: first at Jul 15, 2025 12:38 PM UTC indicating investigation and elevated errors, and a follow-up at Jul 15, 2025 1:03 PM UTC confirming services were back to normal.

Anthropic Claude experienced elevated errors affecting Claude 4 Sonnet, resulting in degraded performance for users. The issues impacted three components: console.anthropic.com, claude.ai, and api.anthropic.com, causing interruptions in interactions with Claude 4 Sonnet.

The incident began at Jul 15, 2025 9:38 AM UTC and was resolved by Jul 15, 2025 10:08 AM UTC. The provider issued 2 status updates during the incident as investigations proceeded, and services returned to normal after about 30 minutes.

A brief incident affected Claude 3.5 Sonnet across API, Claude.ai, and the Anthropic Console. Users attempting requests likely saw errors on Claude 3.5 Sonnet endpoints. The issue began at 3:58 AM UTC and was resolved by 4:23 AM UTC, lasting about 25 minutes.

The provider issued two status updates during the incident, first noting investigation and later confirming restoration. The affected components were api.anthropic.com, claude.ai, and console.anthropic.com.

Anthropic Claude 3.5 Sonnet experienced a brief degraded performance event, with elevated errors for requests across api.anthropic.com, claude.ai, and console.anthropic.com. The outage began at 8:23 PM UTC and was resolved by 8:53 PM UTC, lasting roughly 30 minutes. The affected endpoints were api.anthropic.com, claude.ai, and console.anthropic.com.

Anthropic Claude 3.5 Haiku experienced a brief disruption with elevated errors affecting the Claude API, Claude Code, and claude.ai. The incident began on 3:48 PM UTC and was resolved by 3:58 PM UTC after the team investigated the issue. The provider issued 2 status updates during the incident, after which all services returned to normal.

Anthropic Claude experienced elevated errors affecting api.anthropic.com, Claude Code, and claude.ai. Users interacting with Claude 4 Sonnet may have encountered errors or degraded responses. The degraded state began around Jul 10, 2025 1:38 PM UTC after investigations noted at Jul 10, 2025 1:35 PM UTC and lasted for about 1 hour and 50 minutes, ending around Jul 10, 2025 3:28 PM UTC. The incident impacted multiple Claude components, with reports of chat and API issues during the window.