The Wayback Machine - https://web.archive.org/web/20251203023530/https://status.claude.com/

All Systems Operational

Uptime over the past 90 days. View historical uptime.
claude.ai Operational
90 days ago
99.52 % uptime
Today
platform.claude.com (formerly console.anthropic.com) Operational
90 days ago
99.8 % uptime
Today
Claude API (api.anthropic.com) Operational
90 days ago
99.8 % uptime
Today
Claude Code Operational
90 days ago
99.8 % 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.

Dec 3, 2025

No incidents reported today.

Dec 2, 2025
Elevated errors on claude.ai
Resolved - This incident has been resolved.
Dec 2, 18:07 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Dec 2, 17:52 UTC
Update - We are continuing to investigate this issue.
Dec 2, 17:21 UTC
Investigating - We are currently investigating this issue.
Dec 2, 16:34 UTC
Investigating reports of increased latency
Resolved - This incident has been resolved.
Dec 2, 00:15 UTC
Update - We are continuing to monitor for any further issues.
Dec 1, 23:39 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Dec 1, 23:39 UTC
Identified - The issue has been identified and a fix is being implemented.
Dec 1, 22:16 UTC
Investigating - We are currently investigating this issue.
Dec 1, 22:09 UTC
Dec 1, 2025
Nov 30, 2025
Elevated errors on Sonnet 4.5
Resolved - This incident has been resolved.
Nov 30, 21:16 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Nov 30, 20:57 UTC
Identified - The issue has been identified and a fix is being implemented.
Nov 30, 20:41 UTC
Update - We are continuing to investigate this issue.
Nov 30, 18:58 UTC
Update - We are continuing to investigate this issue.
Nov 30, 18:58 UTC
Investigating - We are currently investigating this issue.
Nov 30, 18:57 UTC
Unable to enable extended thinking on first message
Resolved - This incident has been resolved.
Nov 30, 19:38 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Nov 30, 19:35 UTC
Identified - The issue has been identified and a fix is being implemented.
Nov 30, 19:15 UTC
Elevated errors for requests to Claude Haiku 4.5
Resolved - This incident has been resolved.
Nov 30, 14:35 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Nov 30, 14:21 UTC
Investigating - We are currently investigating this issue.
Nov 30, 14:06 UTC
Nov 29, 2025

No incidents reported.

Nov 28, 2025

No incidents reported.

Nov 27, 2025
Elevated errors for requests to Claude 4.5 Sonnet 1M
Resolved - This incident has been resolved.
Nov 27, 09:40 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Nov 27, 09:22 UTC
Identified - The issue has been identified and a fix is being implemented.
Nov 27, 09:10 UTC
Nov 26, 2025

No incidents reported.

Nov 25, 2025
Elevated errors for requests to Claude Opus 4.5
Resolved - This incident has been resolved.
Nov 25, 23:44 UTC
Monitoring - A fix has been implemented and we're monitoring recovery.
Nov 25, 21:28 UTC
Identified - We are aware of an issue affecting a large number of users causing 529 overloaded responses from our APIs. We've identified the issue and are working on mitigations. We'll be back shortly - please bear with us.
Nov 25, 21:16 UTC
Investigating - We are currently investigating this issue.
Nov 25, 20:56 UTC
Elevated Error Rates on the API
Resolved - This incident has been resolved.
Nov 25, 10:42 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Nov 25, 09:53 UTC
Investigating - We are currently investigating reports of the Claude API experiencing higher than normal failure rates. Our team is actively working to identify the root cause.
Nov 25, 09:34 UTC
Nov 24, 2025
Model usage attribution issues
Resolved - We've identified and mitigated the issue. We've also reset usage limits for all users.
Nov 24, 19:43 UTC
Investigating - We're investigating an issue where some users' Sonnet model usage was counted as Opus usage.
Nov 24, 18:15 UTC
Elevated Errors on Claude Code
Resolved - Some Claude Code users may have experienced higher than normal error rates. We have identified the issue and made a fix.
Nov 24, 16:00 UTC
Nov 23, 2025
Elevated error rates on the API
Resolved - This incident has been resolved.
Nov 23, 14:11 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Nov 23, 13:53 UTC
Update - We are continuing to investigate this issue.
Nov 23, 13:06 UTC
Investigating - We are currently investigating reports of the Claude API experiencing higher than normal failure rates. Our team is actively working to identify the root cause.
Nov 23, 13:05 UTC
Nov 22, 2025

No incidents reported.

Nov 21, 2025

No incidents reported.

Nov 20, 2025
Elevated errors on Sonnet 4, Sonnet 4.5 and Haiku 4.5
Resolved - As of 3:55 PT / 11:55 UTC the level of errors on Sonnet 4.0 has returned to normal.
Nov 20, 12:03 UTC
Monitoring - As of 2:14 PT / 10:14 UTC we have mitigated all errors on Sonnet 4.5. Unfortunately the error rate is still higher than baseline for Sonnet 4.0, but we have implemented a fix and it should go down in the next few minutes.
Nov 20, 11:03 UTC
Update - We are continuing to work on a fix for this issue.
Nov 20, 10:15 UTC
Identified - The issue has been identified and a fix is being implemented.
Nov 20, 09:10 UTC
Update - We are continuing to investigate this issue.
Nov 20, 08:20 UTC
Investigating - We are currently investigating this issue.
Nov 20, 08:10 UTC
Nov 19, 2025
Increased error rate on Claude 4 Sonnet
Resolved - This incident has been resolved.
Nov 19, 05:27 UTC
Identified - The issue has been identified and a fix is being implemented.
Nov 19, 02:00 UTC
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