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Anthropic

MAJOR

Status Page

https://status.anthropic.com/

Last 30 Days

25 incidents

Ongoing Incidents

Elevated Error Rates on the API

We are currently investigating reports of the Claude API experiencing higher than normal failure rates. Our team is actively working to identify the root cause.

Anthropic

• Started about 1 hour ago

Incidents in the last 30 days

Elevated Error Rates on the API

We are currently investigating reports of the Claude API experiencing higher than normal failure rates. Our team is actively working to identify the root cause.

Anthropic

• Started about 1 hour ago

Model usage attribution issues

We're investigating an issue where some users' Sonnet model usage was counted as Opus usage.

Anthropic

• Started about 16 hours ago • Resolved in about 2 hours

Elevated error rates on the API

We are currently investigating reports of the Claude API experiencing higher than normal failure rates. Our team is actively working to identify the root cause.

Anthropic

• Started 2 days ago • Resolved in about 1 hour

Elevated errors on Sonnet 4, Sonnet 4.5 and Haiku 4.5

We are currently investigating this issue.

Anthropic

• Started 5 days ago • Resolved in about 4 hours

Increased error rate on Claude 4 Sonnet

The issue has been identified and a fix is being implemented.

Anthropic

• Started 6 days ago • Resolved in 7 minutes

Elevated errors on claude.ai

We are currently investigating an issue with claude.ai.

Anthropic

• Started 7 days ago • Resolved in about 3 hours

Elevated error rates to Sonnet 4.5 on Claude Code

We are currently investigating this issue.

Anthropic

• Started 7 days ago • Resolved in about 1 hour

Issues with Claude.ai Research

We are currently investigating this issue.

Anthropic

• Started 8 days ago • Resolved in about 4 hours

issues with Claude Code remote and claude.ai file creation

We are currently investigating this issue.

Anthropic

• Started 8 days ago • Resolved in about 1 hour

Elevated errors for requests to Claude 4.1 Opus

We are currently investigating this issue.

Anthropic

• Started 11 days ago • Resolved in about 1 hour

Elevated error rates with Sonnet 4.5 and Opus 4.1

We are currently investigating this issue.

Anthropic

• Started 11 days ago • Resolved in 29 minutes

Elevated errors on Claude.ai

We are currently investigating.

Anthropic

• Started 14 days ago • Resolved in about 2 hours

Elevated errors on Claude.ai

We are currently investigating reports of claude.ai experiencing downtime. Our team is actively working to identify the root cause.

Anthropic

• Started 14 days ago • Resolved in 42 minutes

Elevated error rates on Files API

We are investigating an issue where the /v1/files API had elevated errors started at 16:44 PM UTC. The issue has been identified and a mitigation has been applied since 17:37 UTC while we implement a fix Errors have returned to baseline from 17:37 UTC

Anthropic

• Started 18 days ago • Resolved in about 1 hour

Elevated errors for requests to Claude 4, 4.5 Sonnet and 4.5 Haiku

We are currently investigating elevated errors on requests to Sonnet and Haiku on the API, Claude.ai, and the Anthropic Console.

Anthropic

• Started 18 days ago • Resolved in 30 minutes

Elevated errors for requests to Claude Sonnet 4.5

We are currently investigating this issue.

Anthropic

• Started 18 days ago • Resolved in about 2 hours

Degraded outputs quality from Haiku 4.5

We observed a small fraction of outputs were degraded from Haiku 4.5 since 3pm on Nov 3 PST. Fix has been deployed on 10:45am on Nov 4 PST. Incident is mitigated. We are currently monitoring.

Anthropic

• Started 21 days ago • Resolved in about 20 hours