Elevated errors on Opus 4
Monitoring - From 16:21–16:45 UTC, requests to Opus 4 received errors. We have applied a fix and are currently monitoring closely to ensure no further recurrence.
Jul 09, 2025 - 16:49 UTC
Investigating - We are currently investigating an issue with Opus 4 returning 500s in the API.
Jul 09, 2025 - 16:28 UTC
Elevated errors on Claude.ai
Update - We are continuing to work to fully resolve issues impacting a small number of requests to Claude.ai. Published artifacts remain unavailable, and we are working to re-enable all functionality as soon as possible.
Jul 09, 2025 - 04:27 UTC
Update - We are continuing to work to resolve an issue causing errors for some Claude.ai users. As a result of these issues, artifact publishing is currently unavailable.
Jul 09, 2025 - 02:02 UTC
Identified - The issue has been identified and a fix is being implemented.
Jul 09, 2025 - 00:46 UTC
Investigating - We are currently investigating an issue resulting in elevated errors on Claude.ai, unrelated to model availability.
Jul 09, 2025 - 00:11 UTC
Uptime over the past 90 days. View historical uptime.
claude.ai Partial Outage
90 days ago
99.32 % uptime
Today
console.anthropic.com Operational
90 days ago
99.54 % uptime
Today
api.anthropic.com Operational
90 days ago
99.63 % uptime
Today
api.anthropic.com - Beta Features Operational
90 days ago
100.0 % uptime
Today
Claude Code Operational
90 days ago
99.87 % uptime
Today
anthropic.com Operational
90 days ago
100.0 % uptime
Today
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Jul 9, 2025
Elevated errors on Claude Opus 4
Resolved - This incident has been resolved.
Jul 9, 02:22 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 9, 01:59 UTC
Identified - The issue has been identified and a fix is being implemented.
Jul 9, 01:29 UTC
Investigating - We are currently investigating a recurrence of errors impacting requests to Claude Opus 4. Our engineers are working to resolve this issue and prevent further recurrences, as quickly as possible.
Jul 9, 00:46 UTC
Elevated errors on Claude Opus 4
Resolved - This incident has been resolved.
Jul 9, 00:38 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 9, 00:27 UTC
Investigating - We are currently investigating this issue.
Jul 9, 00:07 UTC
Jul 8, 2025
Elevated errors on requests to multiple models
Resolved - The following models have seen errors below the baseline:
* Claude 3.5 Sonnet since 16:20 UTC
* Claude 4 Sonnet since 15:39 UTC

We are resolving this incident.
Jul 8, 16:25 UTC
Investigating - We've seen the following models have issues:

* Claude 3.5 Sonnet from 12:30 UTC
* Claude 3.7 Sonnet between 11:30 UTC and 14:45 UTC
* Claude 4 Sonnet from 14:30 UTC

We are working on mitigating the user impact.
Jul 8, 15:20 UTC
Update - We are observing an increase in error rates on multiple older models. A fix has been implemented and we are continuing to monitor.
Jul 8, 14:18 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 8, 13:35 UTC
Investigating - We are currently investigating this issue.
Jul 8, 13:09 UTC
Elevated errors on request to Claude Sonnet 3.5
Resolved - This incident has been resolved.
Jul 8, 10:53 UTC
Update - We are continuing to monitor for any further issues.
Jul 8, 10:17 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 8, 10:17 UTC
Identified - The issue has been identified and a fix is being implemented.
Jul 8, 10:05 UTC
Investigating - We are currently investigating this issue.
Jul 8, 09:59 UTC
Jul 7, 2025
Elevated errors across Claude 3.5 Haiku
Resolved - This incident has been resolved.
Jul 7, 14:24 UTC
Monitoring - A fix has been implemented and the level of errors for Claude 3.5 Haiku is at the baseline.
Jul 7, 14:08 UTC
Identified - The issue has been identified and a fix is being implemented.
Jul 7, 13:55 UTC
Investigating - We are currently investigating this issue.
Jul 7, 13:31 UTC
Jul 6, 2025

No incidents reported.

Jul 5, 2025

No incidents reported.

Jul 4, 2025

No incidents reported.

Jul 3, 2025
Elevated errors across models
Resolved - This incident has been resolved.
Jul 3, 14:39 UTC
Monitoring - As of 14:21 UTC we've implemented a fix that has reduced the error rate to acceptable levels. We are currently monitoring the situation.
Jul 3, 14:28 UTC
Investigating - We are currently investigating an issue. Since 13:55 UTC we've seen an elevated error rate on Claude 4 Sonnet and on Claude 3.6 Sonnet.
Jul 3, 14:09 UTC
Elevated errors for Claude 4 Opus
Resolved - As of 10:40 UTC we have resolved the incident.
Jul 3, 10:47 UTC
Identified - We have seen another increase in errors on Claude 4 Opus starting from 9:20 UTC.
Jul 3, 10:30 UTC
Update - We expect the Claude 4 Opus errors have returned to a baseline.
Jul 3, 08:58 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 3, 08:06 UTC
Investigating - We are investigating an issue with Claude 4 Opus that started at 6:47 UTC.
Jul 3, 07:04 UTC
Elevated errors on Claude 4 Sonnet
Resolved - This incident has been resolved.
Jul 3, 02:40 UTC
Update - We are continuing to monitor for any further issues.
Jul 3, 02:40 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 3, 02:34 UTC
Identified - The issue has been identified and a fix is being implemented.
Jul 3, 02:11 UTC
Investigating - We are currently investigating this issue.
Jul 3, 02:05 UTC
Jul 2, 2025

No incidents reported.

Jul 1, 2025
Elevated errors on request to Claude Sonnet and Opus 4
Resolved - This incident has been resolved.
Jul 1, 23:50 UTC
Monitoring - Success rates have stabilized, and we are closely monitoring to prevent any further issues.
Jul 1, 21:48 UTC
Identified - The issue has been identified and a fix is being implemented.
Jul 1, 21:24 UTC
Investigating - We are currently investigating this issue.
Jul 1, 20:46 UTC
Elevated errors across models
Resolved - This incident has been resolved.
Jul 1, 10:41 UTC
Monitoring - As of 10:02 UTC we have mitigated the incident.
Jul 1, 10:16 UTC
Update - We are continuing to investigate this issue.
Jul 1, 09:13 UTC
Investigating - We're investigating an elevated error rate of models, starting with 5:00 UTC, that got markedly worse at 8:00 UTC.
Jul 1, 08:51 UTC
Jun 30, 2025

No incidents reported.

Jun 29, 2025

No incidents reported.

Jun 28, 2025

No incidents reported.

Jun 27, 2025

No incidents reported.

Jun 26, 2025

No incidents reported.

Jun 25, 2025
Elevated errors on Claude 4 Opus
Resolved - This incident has been resolved.
Jun 25, 16:06 UTC
Investigating - Since 12:00 UTC noon we have seen an elevated rate of errors on the Claude 4 Opus model.
Jun 25, 15:25 UTC
Elevated errors across the Haiku family of models
Resolved - This incident has been resolved.
Jun 25, 10:22 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 25, 10:04 UTC
Investigating - We are currently investigating this issue.
Jun 25, 09:22 UTC
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