StatusSource: status.claude.com

Anthropic Claude uptime status

Claude API status, live from Anthropic’s official status page (api.anthropic.com), with 90 days of incident history.

Uptime (90 days): 99.77%; Anthropic’s figure for the Claude API
Incidents (30 days): 8; Marked on the Claude API
Incident time (30 days): 5 h 31 min; From start to resolution

Is Anthropic Claude down now?

74 of 90 days without an incident · 99.77% uptime by Anthropic

No incident
Degraded
Partial outage
Major outage
Unknown

Last 90 days

Hover or use the arrow keys to see a day

Oct 27 · Degraded · partial outage 1 h 5 min · Elevated errors for Claude Sonnet 5.5

Recent incidents

Last 30 days, as reported on status.claude.com.

Full history

Partial outageOct 27, 15:09–15:50 UTC · 41 minElevated errors for Claude Sonnet 5.5

The issue affecting claude.ai, the Claude API, Claude Code, and Claude Cowork has been resolved. Impact occurred from 07:42 PT / 14:42 UTC to 08:17 PT / 15:17 UTC.

Also affected: claude.ai, Claude Code, Claude Cowork

Resolved · Oct 27, 15:50 UTC
The issue affecting claude.ai, the Claude API, Claude Code, and Claude Cowork has been resolved. Impact occurred from 07:42 PT / 14:42 UTC to 08:17 PT / 15:17 UTC.
Identified · Oct 27, 15:09 UTC
We are investigating elevated errors on requests to Claude Sonnet 5.5. We will provide an update as soon as possible.

View on status.claude.com

Partial outageOct 27, 09:14–09:56 UTC · 42 minElevated errors for Claude Sonnet 5.5

The issue affecting Claude services has been resolved.

Also affected: claude.ai, Claude Code, Claude Cowork

Resolved · Oct 27, 09:56 UTC
The issue affecting Claude services has been resolved.
Monitoring · Oct 27, 09:38 UTC
A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
Investigating · Oct 27, 09:14 UTC
We are investigating elevated errors on requests to Claude Sonnet 5.5. We will provide an update as soon as possible.

View on status.claude.com

Partial outageOct 25, 08:17–08:49 UTC · 32 minElevated errors for Claude Fable 5.1

The issue affecting Claude services has been resolved. Impact occurred from 01:08 PT / 08:08 UTC to 01:29 PT / 08:29 UTC.

Also affected: claude.ai, Claude Code, Claude Cowork

Resolved · Oct 25, 08:49 UTC
The issue affecting Claude services has been resolved. Impact occurred from 01:08 PT / 08:08 UTC to 01:29 PT / 08:29 UTC.
Monitoring · Oct 25, 08:30 UTC
A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
Identified · Oct 25, 08:17 UTC
We have identified the cause of elevated errors on requests to Claude Fable 5.1 and are working on a fix. We will provide an update as soon as possible.
Investigating · Oct 25, 08:17 UTC
We are investigating elevated errors on requests to Claude Fable 5.1. We will provide an update as soon as possible.

View on status.claude.com

Claude models on LLM API

All Claude models

Frequently asked questions

Is Anthropic Claude down right now?

No. At the last check, status.claude.com showed the API as operational. The chart above marks every day with an incident. Last check: Nov 5, 2026, 16:21 UTC.

Where does this status come from?

From status.claude.com, the official status page. Uptime is the provider’s own figure, shown only where the provider publishes one.

What happens to my requests during an outage?

When Anthropic goes down, LLM API sends your requests to another provider that serves the same model. No code changes.