Claude Outage History
Uptime record, past incidents, and downtime history for Claude.
Checking current status...
90-Day Trend
Monthly Uptime
| Month | Uptime | Days Tracked | Days with Issues |
|---|---|---|---|
| March 2026 | 32.1% | 28 | 19 |
| February 2026 | 23.1% | 26 | 20 |
Uptime is calculated from daily worst-status snapshots. A day with any non-operational status counts as a day with issues.
Daily Status (Last 54 Days)
Feb 3
Today
Operational
Degraded
Partial Outage
Major Outage
Maintenance
No Data
Incident History
March 2026
Elevated errors on Opus 4.6 Fast Mode
Started: Mar 28, 1:01 PM
monitoring
A fix has been implemented and we are monitoring the results.
Mar 28, 1:55 PM
investigating
We are currently investigating this issue.
Mar 28, 1:01 PM
Elevated error rates on Opus 4.6
Started: Mar 27, 6:59 AM
monitoring
As of 6:40 PT / 13:40 UTC our error rate has returned to the baseline. We are still monitoring the current situation.
Mar 27, 1:46 PM
identified
We have mitigated the main issue and the error rate for Opus 4.6 is hovering around 0.4% which is still high, but much better than the performance during the previous hours. We are waiting for a more permanent fix to land in the near future.
Mar 27, 1:34 PM
investigating
As of 5:00 PT / 12:00 UTC Sonnet 4.6 is now healthy. We are still working to fix Opus 4.6.
Mar 27, 12:09 PM
investigating
Sonnet 4.6 is also showing elevated errors.
Mar 27, 11:21 AM
investigating
We are continuing to investigate the ongoing incident.
Mar 27, 11:04 AM
investigating
We are currently investigating this issue.
Mar 27, 6:59 AM
Elevated errors for MCP calls
Started: Mar 26, 10:25 PM
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, 10:25 PM
Elevated errors on Claude Opus 4.6 and Sonnet 4.6
Started: Mar 26, 9:56 PM
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, 11:06 PM
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, 9:56 PM
Elevated errors on Claude Opus 4.6
Started: Mar 25, 3:03 PM
monitoring
The issue has been mitigated. We are monitoring.
Mar 25, 8:06 PM
investigating
We are currently investigating this issue.
Mar 25, 8:01 PM
investigating
We got elevated errors back. Investigating.
Mar 25, 7:53 PM
investigating
We are currently investigating this issue.
Mar 25, 4:58 PM
monitoring
A fix has been implemented and we are monitoring the results.
Mar 25, 3:37 PM
investigating
We are currently investigating this issue.
Mar 25, 3:04 PM
Elevated connection reset errors in Cowork
Started: Mar 25, 2:33 PM
investigating
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, 4:56 PM
investigating
We are currently investigating this issue.
Mar 25, 2:33 PM
Elevated Errors on claude.ai
Started: Mar 25, 1:45 PM
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, 3:27 PM
identified
The issue has been identified and a fix is being implemented.
Mar 25, 2:33 PM
investigating
We are continuing to investigate this issue.
Mar 25, 1:52 PM
investigating
We are currently investigating this issue.
Mar 25, 1:45 PM
Elevated errors on Claude Opus 4.6
Started: Mar 25, 9:35 AM
monitoring
A fix has been implemented and we are monitoring the results.
Mar 25, 10:06 AM
investigating
We are currently investigating this issue.
Mar 25, 9:35 AM
Elevated errors on Claude.ai [retroactive]
Started: Mar 23, 5:03 PM
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, 5:03 PM
Claude.ai and Claude login down
Started: Mar 22, 6:31 PM
monitoring
A mitigation has been applied. Logins have returned to normal, the team is continuing to monitor the situation.
Mar 22, 6:43 PM
investigating
We are investigating an issue with users authenticating to claude.ai and Claude Console (platform.claude.com)
Mar 22, 6:33 PM
investigating
We are investigating an issue preventing logins on Claude Console (platform.claude.com)
Mar 22, 6:31 PM
Delayed response completion on Claude.ai
Started: Mar 22, 11:14 AM
identified
The issue has been identified and a fix is being implemented.
Mar 22, 12:34 PM
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 AM
Elevated error rates on Claude Opus and Sonnet 4.6
Started: Mar 21, 12:07 AM
identified
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, 12:58 AM
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, 12:17 AM
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, 12:07 AM
Elevated errors on Claude Opus 4.6
Started: Mar 19, 3:59 PM
investigating
We are currently investigating this issue.
Mar 19, 3:59 PM
Elevated errors on Claude Sonnet 4.6
Started: Mar 19, 3:37 PM
investigating
We are currently investigating elevated errors that started at 8:23 PT / 15:23 UTC.
Mar 19, 3:37 PM
Elevated errors across surfaces
Started: Mar 19, 12:28 AM
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, 1:21 AM
investigating
We are currently investigating this issue. Our team is actively working to identify the root cause.
Mar 19, 12:28 AM
Elevated errors on Claude.ai
Started: Mar 18, 3:16 PM
monitoring
A fix has been implemented and we are monitoring the results.
Mar 18, 3:27 PM
investigating
Claude Code login/logout actions are also affected by this outage.
Mar 18, 3:19 PM
investigating
We are currently investigating this issue.
Mar 18, 3:16 PM
Increased errors on Opus 4.6
Started: Mar 18, 12:30 PM
monitoring
A fix has been implemented and we are monitoring the results.
Mar 18, 1:25 PM
monitoring
A fix has been implemented and we are monitoring the results.
Mar 18, 1:19 PM
investigating
We are currently investigating this issue.
Mar 18, 12:30 PM
Elevated errors on Claude Opus 4.6
Started: Mar 18, 6:41 AM
monitoring
A fix has been implemented and we are monitoring the results.
Mar 18, 7:29 AM
investigating
We are currently investigating this issue.
Mar 18, 6:41 AM
Elevated errors on Claude Opus 4.6
Started: Mar 17, 7:47 PM
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, 8:41 PM
monitoring
A fix has been implemented and we are monitoring the results.
Mar 17, 8:02 PM
identified
The issue has been identified and a fix is being implemented.
Mar 17, 7:47 PM
Elevated errors on Claude Sonnet 4.6
Started: Mar 17, 2:07 PM
monitoring
A fix has been implemented and we are monitoring the results.
Mar 17, 3:28 PM
identified
We are continuing to work on a fix for this issue.
Mar 17, 3:21 PM
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, 2:07 PM
Elevated errors on Claude Opus 4.6
Started: Mar 17, 9:46 AM
monitoring
A fix has been implemented and we are monitoring the results.
Mar 17, 11:37 AM
identified
The issue has been identified and a fix is being implemented.
Mar 17, 10:02 AM
investigating
We are currently investigating this issue.
Mar 17, 9:46 AM
Elevated errors on Claude Sonnet 4.6
Started: Mar 17, 8:04 AM
monitoring
A fix has been implemented and we are monitoring the results.
Mar 17, 12:13 PM
identified
We are continuing to work on a fix for this issue.
Mar 17, 11:59 AM
identified
We are continuing to work on a fix for this issue.
Mar 17, 10:05 AM
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, 8:23 AM
investigating
We are currently investigating this issue.
Mar 17, 8:04 AM
Elevated errors on Claude Sonnet 4.6
Started: Mar 16, 2:02 PM
identified
We are continuing to work on a fix for this issue. This is currently only impacting free Claude.ai users.
Mar 16, 3:35 PM
identified
We are continuing to work on a fix for this issue.
Mar 16, 3:13 PM
identified
We are continuing to work on a fix for this issue.
Mar 16, 2:05 PM
identified
We are continuing to work on a fix for this issue.
Mar 16, 2:04 PM
identified
The issue has been identified and a fix is being implemented.
Mar 16, 2:02 PM
investigating
There's an elevated error rate for free tier users on Claude Sonnet 4.6. We are investigating
Mar 16, 2:02 PM
Elevated errors on Claude.ai
Started: Mar 16, 1:56 PM
investigating
We are currently investigating this issue.
Mar 16, 1:56 PM
Elevated errors on Claude.ai
Started: Mar 16, 12:01 PM
monitoring
A fix has been implemented and we are monitoring the results.
Mar 16, 12:27 PM
investigating
We are currently investigating this issue.
Mar 16, 12:01 PM
Elevated errors on Claude Opus 4.6 and Sonnet 4.6
Started: Mar 13, 6:37 PM
investigating
We are currently investigating this issue.
Mar 13, 6:37 PM
Elevated errors on Claude Sonnet 4.6
Started: Mar 12, 4:34 PM
identified
A repeat of an earlier issue today started at 9:27 PT / 16:27 UTC.
Mar 12, 4:34 PM
Elevated errors on Claude Sonnet 4.6 and on Claude.ai
Started: Mar 12, 4:07 PM
monitoring
We recently had an incident on Sonnet 4.6 between 8:30 PT / 15:30 UTC and 8:44 PT / 15:44 UTC where users would have seen a higher error rate across Claude Code, Claude API, and Claude.ai.
Separately, we also had at around 8:27 PT an incident relate to Claude.ai that lasted a minute.
Mar 12, 4:07 PM
Elevated errors on Sonnet 4.6
Started: Mar 12, 3:42 PM
investigating
We are currently investigating this issue.
Mar 12, 3:42 PM