Elevated error rates on Opus 4.6
Investigating - We are currently investigating this issue.
Mar 27, 2026 - 06:59 UTC
Elevated connection reset errors in Cowork
Update - We are continuing to investigate connection errors which occur during Claude Cowork sessions. This issue can be resolved by restarting the Claude Desktop application.
Mar 25, 2026 - 16:56 UTC
Investigating - We are currently investigating this issue.
Mar 25, 2026 - 14:33 UTC
Uptime over the past 90 days. View historical uptime.
claude.ai Degraded Performance
90 days ago
99.05 % uptime
Today
platform.claude.com (formerly console.anthropic.com) Degraded Performance
90 days ago
99.31 % uptime
Today
Claude API (api.anthropic.com) Degraded Performance
90 days ago
99.14 % uptime
Today
Claude Code Degraded Performance
90 days ago
99.37 % uptime
Today
Claude for Government Degraded Performance
90 days ago
99.87 % 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.

Mar 27, 2026
Elevated errors on Claude Opus 4.6 and Sonnet 4.6
Resolved - This incident has been resolved.
Mar 27, 00:49 UTC
Identified - We have identified an issue resulting in a low rate of errors on requests to Claude Opus 4.6 and Sonnet 4.6, we are continuing to work to fully resolve this issue and will provide additional updates.
Mar 26, 23:06 UTC
Investigating - We are currently investigating an issue resulting in elevated errors on requests to Claude Opus 4.6 and Sonnet 4.6. We will provide an update as soon as possible.
Mar 26, 21:56 UTC
Mar 26, 2026
Elevated errors for MCP calls
Resolved - This incident has been resolved.
Mar 26, 22:41 UTC
Investigating - We are currently investigating an issue resulting in elevated errors for some MCP calls. We will provide an update as soon as possible.
Mar 26, 22:25 UTC
Elevated errors on Claude Opus 4.6
Resolved - This incident has been resolved.
Mar 26, 00:14 UTC
Monitoring - The issue has been mitigated. We are monitoring.
Mar 25, 20:06 UTC
Update - We are currently investigating this issue.
Mar 25, 20:01 UTC
Update - We got elevated errors back. Investigating.
Mar 25, 19:53 UTC
Investigating - We are currently investigating this issue.
Mar 25, 16:58 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 25, 15:37 UTC
Investigating - We are currently investigating this issue.
Mar 25, 15:04 UTC
Mar 25, 2026
Elevated Errors on claude.ai
Resolved - This incident has been resolved.
Mar 25, 15:43 UTC
Monitoring - We are currently seeing recovery, and our engineers are working to ensure no further recurrences. We will provide an update as soon as possible.
Mar 25, 15:27 UTC
Identified - The issue has been identified and a fix is being implemented.
Mar 25, 14:33 UTC
Update - We are continuing to investigate this issue.
Mar 25, 13:52 UTC
Investigating - We are currently investigating this issue.
Mar 25, 13:45 UTC
Elevated errors on Claude Opus 4.6
Resolved - This incident has been resolved.
Mar 25, 13:10 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 25, 10:06 UTC
Investigating - We are currently investigating this issue.
Mar 25, 09:35 UTC
Mar 24, 2026

No incidents reported.

Mar 23, 2026
Elevated errors on Claude.ai [retroactive]
Resolved - This incident has been resolved.
Mar 23, 17:10 UTC
Investigating - Between 9:10 PT / 16:10 UTC and 9:26 PT / 16:26 UTC users saw an elevated rate of errors on Claude.ai

The Claude API was unaffected.
Mar 23, 17:03 UTC
Mar 22, 2026
Claude.ai and Claude login down
Resolved - This incident has been resolved. Logins and authentication for claude.ai and platform.claude.com have returned to normal
Mar 22, 18:51 UTC
Monitoring - A mitigation has been applied. Logins have returned to normal, the team is continuing to monitor the situation.
Mar 22, 18:43 UTC
Update - We are investigating an issue with users authenticating to claude.ai and Claude Console (platform.claude.com)
Mar 22, 18:33 UTC
Investigating - We are investigating an issue preventing logins on Claude Console (platform.claude.com)
Mar 22, 18:31 UTC
Delayed response completion on Claude.ai
Resolved - As of 13:02 UTC / 06:02 PT this incident has been mitigated.
Mar 22, 13:13 UTC
Identified - The issue has been identified and a fix is being implemented.
Mar 22, 12:34 UTC
Investigating - Since approximately 20:00 UTC / 13:00 PT on Friday, March 20, Claude.ai responses may appear to "hang" for around 5 seconds after the text has finished streaming before the message completes. The Anthropic API is not affected.
Mar 22, 11:14 UTC
Mar 21, 2026
Elevated error rates on Claude Opus and Sonnet 4.6
Resolved - This incident has been resolved.
Mar 21, 01:42 UTC
Update - We have observed success rates return to normal for Claude Opus 4.6, and are working to fully resolve elevated errors for Claude Sonnet 4.6.
Mar 21, 00:58 UTC
Identified - We have identified an issue resulting in elevated errors on both Claude Opus and Sonnet 4.6, and are working to resolve this issue as quickly as possible.
Mar 21, 00:17 UTC
Investigating - We are currently investigating elevated error rates affecting Claude Opus 4.6. Our team is actively working to identify the root cause.
Mar 21, 00:07 UTC
Mar 20, 2026

No incidents reported.

Mar 19, 2026
Elevated errors on Claude Opus 4.6
Resolved - This incident started at 8:53 PT / 15:53 UTC and the errors have now returned to baseline since 9:14 PT / 16:14 UTC.
Mar 19, 16:16 UTC
Investigating - We are currently investigating this issue.
Mar 19, 15:59 UTC
Elevated errors on Claude Sonnet 4.6
Resolved - As of 8:42 PT / 15:42 UTC the error rate has now returned to baseline.
Mar 19, 15:46 UTC
Investigating - We are currently investigating elevated errors that started at 8:23 PT / 15:23 UTC.
Mar 19, 15:37 UTC
Elevated errors across surfaces
Resolved - This incident has been resolved.
Mar 19, 01:38 UTC
Monitoring - From 23:59–00:30 UTC, users experienced elevated errors when trying to authenticate across various Claude surfaces including Claude.ai and Claude Code. This issue has been resolved, and we are monitoring closely to ensure no further issues.
Mar 19, 01:21 UTC
Investigating - We are currently investigating this issue. Our team is actively working to identify the root cause.
Mar 19, 00:28 UTC
Mar 18, 2026
Elevated errors on Claude.ai
Resolved - This incident has been resolved.
Mar 18, 16:05 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 18, 15:27 UTC
Update - Claude Code login/logout actions are also affected by this outage.
Mar 18, 15:19 UTC
Investigating - We are currently investigating this issue.
Mar 18, 15:16 UTC
Increased errors on Opus 4.6
Resolved - This incident has been resolved.
Mar 18, 13:58 UTC
Update - A fix has been implemented and we are monitoring the results.
Mar 18, 13:25 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 18, 13:19 UTC
Investigating - We are currently investigating this issue.
Mar 18, 12:30 UTC
Elevated errors on Claude Opus 4.6
Resolved - This incident has been resolved.
Mar 18, 09:45 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 18, 07:29 UTC
Investigating - We are currently investigating this issue.
Mar 18, 06:41 UTC
Elevated errors on Claude Opus 4.6
Resolved - This incident has been resolved.
Mar 18, 00:25 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 17, 22:34 UTC
Investigating - We are currently investigating this issue. We have identified mitigations which we are continuing to regularly employ as we investigate the root cause.
Mar 17, 20:41 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 17, 20:02 UTC
Identified - The issue has been identified and a fix is being implemented.
Mar 17, 19:47 UTC
Mar 17, 2026
Elevated errors on Claude Sonnet 4.6
Resolved - This incident has been resolved.
Mar 17, 15:45 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 17, 15:28 UTC
Update - We are continuing to work on a fix for this issue.
Mar 17, 15:21 UTC
Identified - The issue has been identified and a fix is being implemented. At this stage, only free Claude.ai users are being impacted.
Mar 17, 14:07 UTC
Elevated errors on Claude Sonnet 4.6
Resolved - This incident has been resolved.
Mar 17, 13:03 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 17, 12:13 UTC
Update - We are continuing to work on a fix for this issue.
Mar 17, 11:59 UTC
Update - We are continuing to work on a fix for this issue.
Mar 17, 10:05 UTC
Identified - The issue has been identified and a fix is being implemented. At this stage, only free Claude.ai users are being impacted.
Mar 17, 08:23 UTC
Investigating - We are currently investigating this issue.
Mar 17, 08:04 UTC
Elevated errors on Claude Opus 4.6
Resolved - This incident has been resolved.
Mar 17, 11:45 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 17, 11:37 UTC
Identified - The issue has been identified and a fix is being implemented.
Mar 17, 10:02 UTC
Investigating - We are currently investigating this issue.
Mar 17, 09:46 UTC
Mar 16, 2026
Elevated errors on Claude Sonnet 4.6
Resolved - This incident has been resolved.
Mar 16, 16:35 UTC
Update - We are continuing to work on a fix for this issue. This is currently only impacting free Claude.ai users.
Mar 16, 15:35 UTC
Update - We are continuing to work on a fix for this issue.
Mar 16, 15:13 UTC
Update - We are continuing to work on a fix for this issue.
Mar 16, 14:05 UTC
Update - We are continuing to work on a fix for this issue.
Mar 16, 14:04 UTC
Identified - The issue has been identified and a fix is being implemented.
Mar 16, 14:02 UTC
Investigating - There's an elevated error rate for free tier users on Claude Sonnet 4.6. We are investigating
Mar 16, 14:02 UTC
Elevated errors on Claude.ai
Resolved - This incident has been resolved.
Mar 16, 14:21 UTC
Investigating - We are currently investigating this issue.
Mar 16, 13:56 UTC
Elevated errors on Claude.ai
Resolved - This incident has been resolved.
Mar 16, 12:36 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 16, 12:27 UTC
Investigating - We are currently investigating this issue.
Mar 16, 12:01 UTC
Mar 15, 2026

No incidents reported.

Mar 14, 2026

No incidents reported.

Mar 13, 2026
Elevated errors on Claude Opus 4.6 and Sonnet 4.6
Resolved - This incident has been resolved.
Mar 13, 21:27 UTC
Investigating - We are currently investigating this issue.
Mar 13, 18:37 UTC
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