We’ve suspended access to Claude Mythos 5 and Claude Fable 5
Monitoring - Learn more here: https://anthropic.com/news/fable-mythos-access
Jun 13, 2026 - 00:50 UTC
Uptime over the past 90 days. View historical uptime.
claude.ai Operational
90 days ago
98.95 % uptime
Today
Claude Console (platform.claude.com) Operational
90 days ago
99.42 % uptime
Today
Claude API (api.anthropic.com) Operational
90 days ago
99.29 % uptime
Today
Claude Code Operational
90 days ago
99.15 % uptime
Today
Claude Cowork Operational
90 days ago
99.51 % uptime
Today
Claude for Government Operational
90 days ago
99.93 % 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.

Jun 17, 2026
Elevated errors for Claude Opus 4.8
Resolved - This incident has been resolved.
Jun 17, 16:28 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 17, 16:01 UTC
Investigating - We are currently investigating this issue.
Jun 17, 15:34 UTC
Elevated errors for Claude Opus 4.8
Resolved - This incident has been resolved.
Jun 17, 10:03 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 17, 09:37 UTC
Identified - The issue has been identified and a fix is being implemented.
Jun 17, 08:54 UTC
Investigating - We are currently investigating this issue.
Jun 17, 08:24 UTC
Elevated errors for Claude Opus 4.8
Resolved - This incident has been resolved. Requests to Claude Opus 4.8 received elevated errors between 9:59pm PT / 04:59 UTC and 10:41pm PT / 05:41 UTC.
Jun 17, 06:37 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 17, 05:44 UTC
Investigating - We are currently investigating this issue.
Jun 17, 05:08 UTC
Elevated errors on Claude Sonnet 4.6 and Opus 4.8
Resolved - This incident has been resolved.
Jun 17, 02:50 UTC
Identified - At this time, success rates for Claude Sonnet 4.6 have recovered and we are working to resolve an issue resulting in elevated errors on Opus 4.8. We will provide additional updates as soon as possible.
Jun 17, 01:52 UTC
Investigating - We are currently investigating this issue.
Jun 17, 00:47 UTC
Jun 16, 2026
Elevated errors for Claude Opus 4.8
Resolved - This issue has been resolved. We saw elevated errors on requests to Claude Opus 4.8 between 1:45pm PT / 20:45 UTC and 1:58pm PT / 20:58 UTC.
Jun 16, 22:02 UTC
Monitoring - We have resolved the issue resulting in elevated errors on requests to Claude Opus 4.8, and are currently monitoring closely to prevent any further issues.
Jun 16, 21:01 UTC
Investigating - We are investigating elevated errors on requests to Claude Opus 4.8. We will provide an update as soon as possible.
Jun 16, 20:50 UTC
Opus 4.8 errors
Resolved - This incident has been resolved.
Jun 16, 20:16 UTC
Monitoring - Opus 4.8 error rates were elevated from 12:41 PDT to approximately 12:53 PDT. The team is monitoring.
Jun 16, 19:59 UTC
Elevated errors across many models
Resolved - The incident has now been resolved. We had two phases:
* between 10:23 PT / 17:23 UTC to 11:00 PT / 18:00 UTC -- all Sonnet and Opus models were affected, reaching an error rate of around 10%
* after 11:00 PT / 18:00 UTC and until 12:20 PT / 19:20 UTC -- Opus 4.8 had an average error rate of 10%

The incident is now resolved.
Jun 16, 19:32 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 16, 19:22 UTC
Update - We are continuing to work on a fix for this issue.
Jun 16, 19:08 UTC
Update - We are continuing to work to resolve an elevated rate of errors on requests to Claude Opus 4.8, and will provide an additional update as soon as possible.
Jun 16, 19:00 UTC
Identified - We are still seeing errors on Opus 4.8 and Haiku 4.5.
Jun 16, 18:15 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 16, 18:00 UTC
Investigating - We are currently investigating this issue.
Jun 16, 17:29 UTC
Jun 15, 2026
Elevated errors on Claude Opus 4.8
Resolved - This incident has been resolved.
Jun 15, 08:56 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 15, 08:14 UTC
Investigating - We are currently investigating this issue.
Jun 15, 06:20 UTC
Jun 14, 2026

No incidents reported.

Jun 13, 2026
Elevated errors on Claude Opus 4.8
Resolved - This incident has been resolved.
Jun 13, 02:11 UTC
Investigating - We are currently investigating this issue.
Jun 13, 02:03 UTC
Jun 12, 2026

No incidents reported.

Jun 11, 2026
Elevated errors across models
Resolved - The issue affecting various models has been resolved. Impact occurred from 09:42am PT / 16:42 UTC to 10:03am PT / 17:03 UTC.
Jun 11, 17:56 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 11, 17:27 UTC
Investigating - We are currently investigating this issue.
Jun 11, 16:54 UTC
Elevated errors on Claude Opus 4.6
Resolved - This incident has been resolved.
Jun 11, 15:01 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 11, 14:58 UTC
Identified - The issue has been identified and a fix is being implemented.
Jun 11, 14:37 UTC
Investigating - We are currently investigating this issue.
Jun 11, 14:37 UTC
Jun 10, 2026
Elevated errors on Claude Haiku 4.5
Resolved - This incident has been resolved.
Jun 10, 17:21 UTC
Update - We are continuing to monitor Claude Haiku 4.5 towards full recovery, and at this point have seen success rates recover to close to normal operating levels. We are working to ensure there are no further issues.
Jun 10, 17:13 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 10, 16:20 UTC
Update - We are continuing to work on a fix for this issue.
Jun 10, 14:59 UTC
Identified - The issue has been identified and a fix is being implemented.
Jun 10, 13:19 UTC
Investigating - We are currently investigating this issue.
Jun 10, 13:06 UTC
Jun 9, 2026
Elevated errors on Claude Opus 4.6
Resolved - From 1:20pm PT / 20:20 UTC through 2:05pm PT / 21:05 PT, we saw elevated errors on requests to Claude Opus 4.6. This issue has been resolved.
Jun 9, 22:10 UTC
Investigating - We are currently investigating this issue.
Jun 9, 20:32 UTC
Fable not available in the model picker in Claude Code Desktop
Resolved - This issue has been resolved. If you are experiencing issues with selecting Claude Fable within the Claude Code Desktop application, please ensure you have updated to the latest version.
Jun 9, 21:03 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 9, 20:16 UTC
Identified - The issue has been identified and a fix is being implemented.
Jun 9, 18:35 UTC
Investigating - We are currently investigating this issue.
Jun 9, 18:24 UTC
Elevated errors on Claude Opus 4.8 (Fast Mode)
Resolved - This issue has been resolved. Claude Opus 4.8 (Fast Mode) saw elevated errors from 7:50 PM PT / 02:50 UTC to 8:30 PM PT / 03:30 UTC.
Jun 9, 03:42 UTC
Investigating - We are currently investigating this issue.
Jun 9, 03:13 UTC
Jun 8, 2026
Elevated errors on Claude Opus 4.8
Resolved - This issue has been resolved. Claude Opus 4.8 saw elevated errors from 3:06 PT / 22:06 UTC through 3:28 PT / 22:28 UTC.
Jun 8, 22:36 UTC
Investigating - We are currently investigating this issue.
Jun 8, 22:20 UTC
Elevated errors on Claude Opus 4.7
Resolved - This issue has been resolved. Claude Opus 4.7 saw elevated errors from 2:01 PT / 21:01 UTC through 2:27 PT / 21:27 UTC.
Jun 8, 21:56 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 8, 21:35 UTC
Investigating - We are currently investigating this issue.
Jun 8, 21:05 UTC
Elevated errors on Claude Haiku 4.5
Resolved - The incident is now resolved. The impact started at 11:35 PT / 18:35 UTC and ended at 12:30 PT / 19:30 UTC.
Jun 8, 19:52 UTC
Investigating - We are currently investigating this issue.
Jun 8, 19:10 UTC
Elevated errors on Claude Opus 4.7
Resolved - This issue has been resolved. We saw errors affecting Opus 4.7 from 16:56–17:47 UTC.
Jun 8, 19:22 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 8, 17:55 UTC
Investigating - We are currently investigating this issue.
Jun 8, 17:15 UTC
Jun 7, 2026
Elevated errors on Claude Opus 4.7
Resolved - This incident has been resolved.
Jun 7, 15:41 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 7, 14:57 UTC
Identified - The issue has been identified and a fix is being implemented.
Jun 7, 14:42 UTC
Investigating - We are currently investigating this issue.
Jun 7, 14:35 UTC
Degraded performance for multiple models
Resolved - We have resolved an issue resulting in elevated errors on requests to some Claude Models.
Jun 7, 04:28 UTC
Identified - We have identified the cause of elevated errors on requests to several Claude models and are working to resolve these issues.
Jun 7, 03:41 UTC
Investigating - We are investigating elevated errors on requests to Claude Opus 4.7. We will provide an update as soon as possible.
Jun 7, 03:31 UTC
Jun 6, 2026
Elevated errors on Claude Opus 4.8
Resolved - From 18:12–18:55, we saw elevated errors on requests to Claude Opus 4.8. This issue has been resolved.
Jun 6, 19:05 UTC
Identified - We are experiencing elevated error rates on Claude Opus 4.8. Our team has identified the issue and is working to fully resolve these errors.
Jun 6, 18:37 UTC
Opus 4.8 degraded service
Resolved - This incident has been resolved.
Jun 6, 10:14 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 6, 09:59 UTC
Identified - The issue has been identified and a fix is being implemented.
Jun 6, 09:43 UTC
Investigating - We are currently investigating this issue.
Jun 6, 09:27 UTC
Jun 5, 2026
Elevated errors on many Claude models
Resolved - This incident has been resolved.
Jun 5, 18:28 UTC
Update - The incident started at 8:08 PT / 15:08 UTC. Recovery times per model were:

Opus 4.6 - 8:25 PT / 15:25 UTC
Sonnet 4.6 — 9:23 PT / 16:23 UTC
Opus 4.8 — 9:59 PT / 16:59 UTC
Opus 4.7 — 10:12 PT / 17:12 UTC
Opus 4.5 — 10:29 PT / 17:29 UTC

All models have now fully recovered.
Jun 5, 18:27 UTC
Monitoring - Success rates across all models have returned to expected levels. We are continuing to monitor closely to ensure no further issues will recur.
Jun 5, 17:13 UTC
Update - We are continuing to work to resolve issues affecting success rates on Opus 4.7 and 4.8, and will provide additional updates as soon as possible.
Jun 5, 16:46 UTC
Identified - We have identified the issue and we are working to mitigate the issue. Current ongoing issues with frontier models are with Opus 4.7 and Opus 4.8 and other models have recovered.
Jun 5, 15:43 UTC
Investigating - We are currently investigating this issue.
Jun 5, 15:19 UTC
Jun 4, 2026

No incidents reported.

Jun 3, 2026
Elevated errors on Opus 4.7
Resolved - This incident has been resolved.
Jun 3, 07:38 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 3, 07:28 UTC
Investigating - We are currently investigating this issue.
Jun 3, 07:10 UTC
Issue affecting some Claude Code services
Resolved - This incident has been resolved.
Jun 3, 07:36 UTC
Investigating - We have identified an issue which is resulting in some Claude Code services being degraded. As a result of this issue, users will see issues with Claude Code security reviews, code reviews, routines and some Claude Code web sessions. Our engineers are working to resolve these issues as soon as possible.
Jun 3, 04:17 UTC
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