Anthropic Outage History

Anthropic experienced elevated errors on Claude Opus 4.6 that affected both claude.ai and api.anthropic.com for 1.8 hours. The incident was resolved after investigation and monitoring of the error rates.

Anthropic experienced a major outage affecting usage reporting, the admin API, and reporting screens in the Console for 15.7 hours. The incident impacted both console.anthropic.com and api.anthropic.com, preventing users from accessing cost and usage data through these interfaces. The team identified and applied fixes throughout the incident, with the admin API restored first, followed by usage reporting functionality, before fully resolving the issue.

Anthropic experienced elevated errors on Claude Sonnet 4.6 affecting both claude.ai and api.anthropic.com for approximately 1 hour. The incident was classified as minor and has been resolved.

Anthropic experienced elevated errors on Claude Haiku 4.5 that affected both claude.ai and api.anthropic.com for 49 minutes. The incident was resolved after investigation and monitoring of the service issues.

Anthropic experienced elevated errors on Claude Opus 4.6 that affected claude.ai, console.anthropic.com, and api.anthropic.com for 7.5 hours. The issue was intermittent, recurring after initial fixes were attempted, requiring multiple implementation cycles before being fully resolved. The incident was ultimately fixed and monitoring confirmed the resolution.

Anthropic experienced login errors affecting Claude code access for 6 minutes on March 3rd, 2026. The service disruption was classified as minor and impacted users' ability to authenticate and access Claude's coding features. The issue was resolved after investigation by the Anthropic team.

Anthropic experienced elevated errors across claude.ai, cowork, platform, and claude code services for 7.1 hours. The incident affected claude.ai and console.anthropic.com, preventing normal access and functionality. A fix was implemented and monitored before the incident was fully resolved.

Anthropic experienced elevated errors on Claude Haiku 4.5 that affected claude.ai, console.anthropic.com, and api.anthropic.com for 3.4 hours. The issue recurred after an initial fix was implemented, requiring additional investigation and remediation. The incident was fully resolved after monitoring confirmed the second fix was successful.

Anthropic experienced elevated errors on claude.ai for 18 minutes. The service disruption affected the claude.ai platform, causing users to encounter increased error rates. The incident was resolved after investigation and monitoring.

Anthropic experienced elevated errors on Claude Opus 4.6 that affected claude.ai, console.anthropic.com, and api.anthropic.com for 1.1 hours. The issue was identified and a fix was implemented, with the incident fully resolved after monitoring confirmed the solution was effective.