Elevated errors on Claude 4 Opus (affecting Claude Code)
Investigating - As of 14:40 UTC / 7:40 PST we've seen elevated errors on Claude 4 Opus affecting Claude Code.
Jul 25, 2025 - 15:00 UTC
Elevated errors on Claude 4 Sonnet
Identified - We're seeing another spike of errors as of 5:48 PT / 12:48 UTC.
Jul 25, 2025 - 12:54 UTC
Monitoring - The last bump of errors was between 1:58 PT / 8:58 UTC and 2:21 PT / 9:21 UTC.

We haven't yet resolved the root cause, and we are working on that. We are applying tactical mitigations and we're still at a high risk of errors.
Jul 25, 2025 - 09:26 UTC
Identified - We're seeing elevated errors again since 1:58 PT / 8:58 UTC.
Jul 25, 2025 - 09:03 UTC
Monitoring - The level of errors has been reduced to a low rate since 1:00 PT / 8:00 UTC. However we still are at risk of the errors coming back.
Jul 25, 2025 - 08:07 UTC
Investigating - We are currently investigating an issue on Claude 4 Sonnet that started at 23:55 PT / 6:55 UTC.
Jul 25, 2025 - 07:11 UTC
Uptime over the past 90 days. View historical uptime.
claude.ai Partial Outage
90 days ago
99.03 % uptime
Today
console.anthropic.com Partial Outage
90 days ago
99.33 % uptime
Today
api.anthropic.com Partial Outage
90 days ago
99.42 % uptime
Today
Claude Code Partial Outage
90 days ago
99.55 % 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 25, 2025
Elevated Errors on Sonnet and Opus 4
Resolved - As of 22:45 PT / 6:45 UTC we have mitigated the ongoing set of errors.
Jul 25, 05:47 UTC
Investigating - We've seen another spike of errors starting with 22:10 PT / 5:10 UTC.
Jul 25, 05:26 UTC
Identified - Errors are elevated on Sonnet 4 while we are mitigating.
Jul 25, 05:25 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 25, 03:10 UTC
Investigating - We are currently investigating this issue.
Jul 25, 01:50 UTC
Elevated 529 errors on Sonnet 4
Resolved - This incident has been resolved.
Jul 25, 00:57 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 25, 00:45 UTC
Investigating - We are currently investigating this issue.
Jul 25, 00:19 UTC
Update - We are currently investigating this issue.
Jul 25, 00:17 UTC
Identified - We are currently investigating this issue.
Jul 25, 00:16 UTC
Jul 24, 2025
Degraded Google Drive Connector Experience
Resolved - This incident has been resolved.
Jul 24, 23:53 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 24, 23:30 UTC
Identified - The issue has been identified and a fix is being implemented.
Jul 24, 17:08 UTC
Investigating - We are currently investigating reports of a degraded experience with the Google Drive connector.
Jul 24, 16:50 UTC
Jul 23, 2025
Errors on multiple Claude models
Resolved - This incident has been resolved.
Jul 23, 23:11 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 23, 22:47 UTC
Update - We are investigating an issue that started at 14:40 PT / 21:40 UTC affecting Claude 4 Opus and the Claude 3.5 Sonnet New models, and starting at 15:10 PT/ 22:10 UTC affecting Claude 4 Sonnet and Claude Sonnet 3.7.
Jul 23, 21:49 UTC
Investigating - We are currently investigating this issue.
Jul 23, 21:48 UTC
Elevated errors on Claude 4 Sonnet
Resolved - The issue has been mitigated as of 12:28 PT / 19:28 UTC.
Jul 23, 19:34 UTC
Investigating - We are investigating errors on Claude 4 Sonnet starting from 12:07 PT / 19:07 UTC.
Jul 23, 19:21 UTC
MCP tool errors
Resolved - This incident has been resolved.
Jul 23, 17:51 UTC
Update - This issue has been resolved
Jul 23, 17:50 UTC
Update - We are continuing to monitor for any further issues.
Jul 23, 17:50 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 23, 17:45 UTC
Identified - The issue has been identified and a fix is being implemented.
Jul 23, 17:16 UTC
Investigating - We are investigating errors in which MCP tool calls return the error "Error executing code: Cannot convert undefined or null to object".
Jul 23, 16:27 UTC
Elevated errors on Claude 4 Sonnet
Resolved - We've seen two big spikes of errors, one between 13:05 UTC and 13:24 UTC, and another one between 13:50 UTC and 14:18 UTC. The issue has now been resolved.
Jul 23, 14:43 UTC
Identified - The issue has been identified and a fix is being implemented.
Jul 23, 13:26 UTC
Investigating - We are investigating an issue on Claude 4 Sonnet that started at 6:04 PT / 13:04 UTC.
Jul 23, 13:20 UTC
Elevated errors on Claude 4 Sonnet
Resolved - We have mitigated the issue as of 2:15 PT / 9:15 UTC.
Jul 23, 09:26 UTC
Investigating - Since 2:06 PT / 9:06 UTC we've seen an increase in errors on Claude 4 Sonnet
Jul 23, 09:13 UTC
Elevated errors on Claude 4 Sonnet
Resolved - As of 6:39 UTC / 23:39 PT we have mitigated the issue.
Jul 23, 06:45 UTC
Identified - The issue has been identified and a fix is being implemented.
Jul 23, 06:21 UTC
Investigating - We've seen elevated errors on Claude 4 Sonnet starting from 6:00 UTC / 23:00 PT.
Jul 23, 06:16 UTC
Jul 22, 2025
Elevated errors on claude.ai
Resolved - This incident has been resolved.
Jul 22, 20:33 UTC
Update - We are continuing to monitor for any further issues.
Jul 22, 20:32 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 22, 17:53 UTC
Identified - The issue has been identified and a fix is being implemented.
Jul 22, 17:26 UTC
Update - We are continuing to investigate this issue.
Jul 22, 13:34 UTC
Investigating - We are currently investigating this issue.
Jul 22, 13:30 UTC
Elevated errors on Claude Sonnet 4
Resolved - This incident has been resolved.
Jul 22, 19:16 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 22, 18:44 UTC
Identified - The issue has been identified and a fix is being implemented.
Jul 22, 18:33 UTC
Investigating - We are currently investigating this issue.
Jul 22, 18:09 UTC
Jul 21, 2025
Elevated errors for requests to Claude 4 Sonnet
Resolved - This incident has been resolved.
Jul 21, 23:00 UTC
Investigating - The issue has been identified and we are investigating
Jul 21, 22:45 UTC
Elevated errors on Claude Sonnet 3.5 (old)
Resolved - This incident has been resolved.
Jul 21, 21:18 UTC
Investigating - We are currently investigating this issue.
Jul 21, 20:55 UTC
Elevated errors on Claude 4 Sonnet
Resolved - As of 08:52 UTC we have full recovery for the Claude 4 Sonnet model
Jul 21, 08:57 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 21, 08:44 UTC
Identified - The issue has been identified and a fix is being implemented.
Jul 21, 08:13 UTC
Update - We are continuing to investigate this issue.
Jul 21, 07:23 UTC
Investigating - We are currently investigating an issue with Claude 4 Sonnet that started at 6:15 UTC.
Jul 21, 07:12 UTC
Jul 20, 2025

No incidents reported.

Jul 19, 2025

No incidents reported.

Jul 18, 2025
Elevated errors for requests to Claude 4 Opus via Claude Code
Resolved - This incident has been resolved.
Jul 18, 21:50 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 18, 21:40 UTC
Investigating - We are currently investigating elevated errors on requests to Claude 4 Opus via Claude Code
Jul 18, 21:15 UTC
Intermittent errors connecting to Claude.ai Connectors
Resolved - This incident has been resolved.
Jul 18, 17:09 UTC
Update - We are continuing to work on a fix for this issue.
Jul 18, 03:23 UTC
Identified - We have identified the cause of the issue affecting connecting to Claude.ai Connectors. We are deploying a fix. We will provide a further update shortly.
Jul 17, 23:29 UTC
Jul 17, 2025
Elevated errors for requests to Claude Sonnet and Opus models
Resolved - This incident has been resolved.
Jul 17, 21:34 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 17, 21:25 UTC
Update - We are continuing to investigate this issue.
Jul 17, 21:13 UTC
Update - We are continuing to investigate this issue.
Jul 17, 21:13 UTC
Investigating - We are currently investigating elevated errors on requests to Claude Sonnet (all models) on the API, Claude.ai, and the Anthropic Console.
Jul 17, 21:13 UTC
API requests stopping prematurely
Resolved - This incident has been resolved.
Jul 17, 05:33 UTC
Identified - The issue has been identified and a fix is being implemented.
Jul 17, 05:04 UTC
Investigating - We are currently investigating this issue.
Jul 17, 04:48 UTC
Jul 16, 2025
Elevated errors for requests to Claude 4 Opus
Resolved - This incident has been resolved.
Jul 16, 15:55 UTC
Identified - We are currently investigating elevated errors on requests to Claude 4 Opus and Sonnet on the API, Claude.ai, and the Anthropic Console.
Jul 16, 14:01 UTC
Elevated errors for requests to Sonnet models
Resolved - This incident has been resolved.
Jul 16, 08:43 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 16, 07:56 UTC
Identified - The issue has been identified and a fix is being implemented.
Jul 16, 07:27 UTC
Investigating - We are currently investigating this issue.
Jul 16, 06:12 UTC
Jul 15, 2025
Elevated errors for requests to Claude 4 Sonnet
Resolved - This incident has been resolved.
Jul 15, 17:00 UTC
Update - We are continuing to monitor for any further issues.
Jul 15, 16:08 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 15, 15:59 UTC
Identified - The issue has been identified and a fix is being implemented.
Jul 15, 15:01 UTC
Investigating - Sonnet 4 has been sending elevated errors since 13:05 UTC. We are currently investigating this issue.
Jul 15, 13:05 UTC
Elevated errors for requests to Claude 4 Opus
Resolved - This incident has been resolved.
Jul 15, 12:58 UTC
Investigating - We've observed intermittent elevated error rates on Claude 4 Opus since 10AM UTC. We are currently investigating the issue.
Jul 15, 12:35 UTC
Elevated errors for requests to Claude 4 Sonnet
Resolved - This incident has been resolved.
Jul 15, 12:31 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 15, 10:06 UTC
Identified - The issue has been identified and a fix is being implemented.
Jul 15, 09:57 UTC
Update - We are continuing to investigate this issue.
Jul 15, 09:38 UTC
Investigating - We are currently investigating this issue.
Jul 15, 09:37 UTC
Jul 14, 2025
Elevated errors for requests to Claude 4 Sonnet
Resolved - This incident has been resolved.
Jul 14, 00:22 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 13, 23:39 UTC
Jul 13, 2025
Jul 12, 2025
Elevated errors for requests to Claude 3.5 Sonnet
Resolved - This incident has been resolved.
Jul 12, 04:23 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jul 12, 04:18 UTC
Investigating - We are currently investigating elevated errors on requests to Claude 3.5 Sonnet on the API, Claude.ai, and the Anthropic Console.
Jul 12, 03:57 UTC
Jul 11, 2025

No incidents reported.

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