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Anthropic

Anthropic

MINOR

Status Page

https://status.anthropic.com/

Last 30 Days

25 incidents
October 20, 2025
13:04 UTC
Claude.ai is unavailable
October 21, 2025
07:54 UTC
Elevated errors on Claude Opus 4.1
19:16 UTC
Elevated errors on Research on claude.ai
October 22, 2025
02:29 UTC
Elevated errors on Claude Opus 4.1 and Sonnet 4.5
15:25 UTC
Elevated errors using Claude.ai connectors, API server tools, and API MCP Connectors
October 23, 2025
11:59 UTC
file upload broken on /new
October 24, 2025
No incidents reported
October 25, 2025
No incidents reported
October 26, 2025
No incidents reported
October 27, 2025
11:39 UTC
Elevated errors for requests to Claude 4.5 Sonnet
October 28, 2025
10:34 UTC
Elevated errors with uploading files to claude.ai
11:16 UTC
Elevated errors for requests to Claude 4.5 Haiku
October 29, 2025
10:55 UTC
Increased latency on claude.ai
October 30, 2025
No incidents reported
October 31, 2025
04:17 UTC
Elevated errors for requests to Claude 4 Sonnet
04:25 UTC
Elevated errors on claude.ai
05:37 UTC
Elevated errors for requests to Claude 4.1 Opus
November 01, 2025
01:21 UTC
Elevated errors for requests to Claude 4 Sonnet
November 02, 2025
No incidents reported
November 03, 2025
No incidents reported
November 04, 2025
16:09 UTC
Degraded outputs quality from Haiku 4.5
November 05, 2025
No incidents reported
November 06, 2025
No incidents reported
November 07, 2025
00:57 UTC
Elevated errors for requests to Claude Sonnet 4.5
08:29 UTC
Elevated errors for requests to Claude 4, 4.5 Sonnet and 4.5 Haiku
11:59 UTC
Elevated error rates on Files API
November 08, 2025
No incidents reported
November 09, 2025
No incidents reported
November 10, 2025
No incidents reported
November 11, 2025
06:59 UTC
Elevated errors on Claude.ai
14:50 UTC
Elevated errors on Claude.ai
November 12, 2025
No incidents reported
November 13, 2025
18:15 UTC
Elevated error rates with Sonnet 4.5 and Opus 4.1
November 14, 2025
03:56 UTC
Elevated errors for requests to Claude 4.1 Opus
November 15, 2025
No incidents reported
November 16, 2025
No incidents reported
November 17, 2025
08:00 UTC
issues with Claude Code remote and claude.ai file creation
08:56 UTC
Issues with Claude.ai Research
November 18, 2025
02:55 UTC
Elevated error rates to Sonnet 4.5 on Claude Code

Ongoing Incidents

Elevated error rates to Sonnet 4.5 on Claude Code

We are currently investigating this issue.

Anthropic
• Started 25 minutes ago

Incidents in the last 30 days

Elevated error rates to Sonnet 4.5 on Claude Code

We are currently investigating this issue.

Anthropic
• Started 25 minutes ago

Issues with Claude.ai Research

We are currently investigating this issue.

Anthropic
• Started about 18 hours ago • Resolved in about 4 hours

issues with Claude Code remote and claude.ai file creation

We are currently investigating this issue.

Anthropic
• Started about 19 hours ago • Resolved in about 1 hour

Elevated errors for requests to Claude 4.1 Opus

We are currently investigating this issue.

Anthropic
• Started 4 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 4 days ago • Resolved in 29 minutes

Elevated errors on Claude.ai

We are currently investigating.

Anthropic
• Started 7 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 7 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 11 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 11 days ago • Resolved in 30 minutes

Elevated errors for requests to Claude Sonnet 4.5

We are currently investigating this issue.

Anthropic
• Started 11 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 13 days ago • Resolved in about 20 hours

Elevated errors for requests to Claude 4 Sonnet

We are currently investigating this issue.

Anthropic
• Started 17 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 18 days ago • Resolved in about 1 hour

Elevated errors on claude.ai

We are currently investigating this issue.

Anthropic
• Started 18 days ago • Resolved in about 9 hours

Elevated errors for requests to Claude 4 Sonnet

We are currently investigating this issue.

Anthropic
• Started 18 days ago • Resolved in about 1 hour

Increased latency on claude.ai

We are currently investigating this issue.

Anthropic
• Started 20 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 21 days ago • Resolved in about 1 hour

Elevated errors with uploading files to claude.ai

We are currently investigating this issue.

Anthropic
• Started 21 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 22 days ago • Resolved in about 1 hour

file upload broken on /new

We are currently investigating this issue.

Anthropic
• Started 26 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 27 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 27 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 27 days ago • Resolved in about 2 hours

Elevated errors on Claude Opus 4.1

We are currently investigating this issue.

Anthropic
• Started 28 days ago • Resolved in 25 minutes

Claude.ai is unavailable

We are currently investigating this issue.

Anthropic
• Started 29 days ago • Resolved in 10 minutes