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Anthropic

Anthropic

OPERATIONAL

Status Page

https://status.anthropic.com/

Last 30 Days

24 incidents
November 28, 2025
No incidents reported
November 29, 2025
No incidents reported
November 30, 2025
14:06 UTC
Elevated errors for requests to Claude Haiku 4.5
18:57 UTC
Elevated errors on Sonnet 4.5
19:15 UTC
Unable to enable extended thinking on first message
December 01, 2025
22:09 UTC
Investigating reports of increased latency
December 02, 2025
16:34 UTC
Elevated errors on claude.ai
December 03, 2025
12:20 UTC
Elevated errors on Claude Haiku 4.5 and Opus 4.5
December 04, 2025
17:43 UTC
iOS Subscription Access Issues
December 05, 2025
09:02 UTC
Claude.ai is unavailable
10:47 UTC
Claude.ai is unavailable
20:34 UTC
iOS Subscription Access Issues
December 06, 2025
No incidents reported
December 07, 2025
No incidents reported
December 08, 2025
No incidents reported
December 09, 2025
No incidents reported
December 10, 2025
19:44 UTC
Research on claude.ai down
December 11, 2025
No incidents reported
December 12, 2025
17:10 UTC
Elevated errors on documentation site in Europe
December 13, 2025
No incidents reported
December 14, 2025
21:31 UTC
Elevated errors across many models
December 15, 2025
18:39 UTC
Unable to view shared chats on claude.ai
December 16, 2025
16:23 UTC
Cannot create new conversations on Claude.ai
19:30 UTC
New chats defaulting to Claude Opus
December 17, 2025
10:45 UTC
Elevated error rates on Sonnet 4
December 18, 2025
No incidents reported
December 19, 2025
04:34 UTC
Elevated error rates on Sonnet 4.5
20:30 UTC
Claude Code on Windows rendering improperly
December 20, 2025
00:51 UTC
Research unavailable for some teams orgs
December 21, 2025
13:16 UTC
Elevated error rates on Opus 4.5
December 22, 2025
07:18 UTC
Elevated error rates on Opus 4.5
December 23, 2025
09:55 UTC
Elevated error rates on Opus 4.5
December 24, 2025
No incidents reported
December 25, 2025
No incidents reported
December 26, 2025
No incidents reported
December 27, 2025
No incidents reported

Incidents in the last 30 days

Elevated error rates on Opus 4.5

We are currently investigating this issue.

Anthropic
• Started 4 days ago • Resolved in about 1 hour

Elevated error rates on Opus 4.5

We are currently investigating this issue.

Anthropic
• Started 5 days ago • Resolved in about 2 hours

Elevated error rates on Opus 4.5

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

Anthropic
• Started 6 days ago • Resolved in about 1 hour

Research unavailable for some teams orgs

We are currently investigating this issue.

Anthropic
• Started 7 days ago • Resolved in about 1 hour

Claude Code on Windows rendering improperly

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

Anthropic
• Started 8 days ago • Resolved in about 2 hours

Elevated error rates on Sonnet 4.5

We are currently investigating this issue.

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

Elevated error rates on Sonnet 4

We are currently investigating this issue.

Anthropic
• Started 10 days ago • Resolved in 36 minutes

New chats defaulting to Claude Opus

We are currently investigating this issue.

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

Cannot create new conversations on Claude.ai

We are currently investigating this issue.

Anthropic
• Started 11 days ago • Resolved in 23 minutes

Unable to view shared chats on claude.ai

We are currently investigating this issue.

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

Elevated errors across many models

We are currently investigating this issue.

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

Elevated errors on documentation site in Europe

We are currently investigating this issue.

Anthropic
• Started 15 days ago • Resolved in about 2 hours

Research on claude.ai down

We are currently investigating this issue.

Anthropic
• Started 17 days ago • Resolved in 37 minutes

iOS Subscription Access Issues

Due to a bug introduced in Claude iOS app version 1.251117.1 (November 18), some Apple App Store users who purchased Pro and Max plans on or after November 24 did not receive proper access to their plans. The mobile purchasing bug has been resolved. New purchases going forward will activate plans correctly. Engineering is still working on a fix to restore plans for already-impacted customers,...

Anthropic
• Started 21 days ago • Resolved in 6 days

Claude.ai is unavailable

We are currently investigating this issue.

Anthropic
• Started 22 days ago • Resolved in 41 minutes

Claude.ai is unavailable

We are currently investigating this issue.

Anthropic
• Started 22 days ago • Resolved in 35 minutes

iOS Subscription Access Issues

We've received reports that some Apple App Store subscribers to Pro and Max plans are not receiving proper access to their plans. Engineering is investigating.

Anthropic
• Started 23 days ago • Resolved in about 8 hours

Elevated errors on Claude Haiku 4.5 and Opus 4.5

We are currently investigating this issue.

Anthropic
• Started 24 days ago • Resolved in 11 minutes

Elevated errors on claude.ai

We are currently investigating this issue.

Anthropic
• Started 25 days ago • Resolved in about 2 hours

Investigating reports of increased latency

We are currently investigating this issue.

Anthropic
• Started 25 days ago • Resolved in about 2 hours

Unable to enable extended thinking on first message

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

Anthropic
• Started 27 days ago • Resolved in 24 minutes

Elevated errors on Sonnet 4.5

We are currently investigating this issue.

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

Elevated errors for requests to Claude Haiku 4.5

We are currently investigating this issue.

Anthropic
• Started 27 days ago • Resolved in 32 minutes

Elevated errors for requests to Claude 4.5 Sonnet 1M

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

Anthropic
• Started 30 days ago • Resolved in 32 minutes