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Anthropic

Anthropic

OPERATIONAL

Status Page

https://status.anthropic.com/

Last 30 Days

20 incidents

Incidents in the last 30 days

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 about 11 hours 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 about 14 hours ago • Resolved in 30 minutes

Elevated errors for requests to Claude Sonnet 4.5

We are currently investigating this issue.

Anthropic
• Started about 22 hours 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 3 days ago • Resolved in about 20 hours

Elevated errors for requests to Claude 4 Sonnet

We are currently investigating this issue.

Anthropic
• Started 7 days ago • Resolved in 36 minutes

Elevated errors for requests to Claude 4.1 Opus

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

Anthropic
• Started 8 days ago • Resolved in about 1 hour

Elevated errors on claude.ai

We are currently investigating this issue.

Anthropic
• Started 8 days ago • Resolved in about 9 hours

Elevated errors for requests to Claude 4 Sonnet

We are currently investigating this issue.

Anthropic
• Started 8 days ago • Resolved in about 1 hour

Increased latency on claude.ai

We are currently investigating this issue.

Anthropic
• Started 10 days ago • Resolved in about 2 hours

Elevated errors for requests to Claude 4.5 Haiku

We are currently investigating elevated errors on requests to Claude 4.5 Haiku on the API, Claude.ai, and the Anthropic Console.

Anthropic
• Started 11 days ago • Resolved in about 1 hour

Elevated errors with uploading files to claude.ai

We are currently investigating this issue.

Anthropic
• Started 11 days ago • Resolved in 1 day

Elevated errors for requests to Claude 4.5 Sonnet

We are currently investigating elevated errors on requests to Claude 4.5 Sonnet on the API, Claude.ai, and the Anthropic Console.

Anthropic
• Started 12 days ago • Resolved in about 1 hour

file upload broken on /new

We are currently investigating this issue.

Anthropic
• Started 15 days ago • Resolved in about 1 hour

Elevated errors using Claude.ai connectors, API server tools, and API MCP Connectors

We are currently investigating this issue.

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

Elevated errors on Claude Opus 4.1 and Sonnet 4.5

We are currently investigating this issue.

Anthropic
• Started 17 days ago • Resolved in about 2 hours

Elevated errors on Research on claude.ai

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

Anthropic
• Started 17 days ago • Resolved in about 2 hours

Elevated errors on Claude Opus 4.1

We are currently investigating this issue.

Anthropic
• Started 18 days ago • Resolved in 25 minutes

Claude.ai is unavailable

We are currently investigating this issue.

Anthropic
• Started 18 days ago • Resolved in 10 minutes

Claude Desktop is unavailable

We are currently investigating this issue.

Anthropic
• Started 22 days ago • Resolved in about 1 hour

Elevated errors on claude.ai

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

Anthropic
• Started 29 days ago • Resolved in about 3 hours