Request duration regression for Claude Sonnet 3.7 and 4 and Claude Opus 4
Update - Our engineers are working to deploy a fix to an issue that has resulted in a small number of requests timing out earlier than expected. This issue only affects very long-running requests to Claude Sonnet 3.7 and 4, as well as Opus 4. We will provide an update here as soon as the issue has been fully resolved.
Jun 05, 2025 - 16:20 PDT
Update - We are continuing to work on a fix for this issue.
Jun 05, 2025 - 14:59 PDT
Update - We are continuing to work on a fix for this issue.
Jun 05, 2025 - 13:54 PDT
Identified - Max request duration dropped for these models. We have identified the root cause and rollout the fix soon.
Jun 03, 2025 - 22:00 PDT
Uptime over the past 90 days. View historical uptime.
claude.ai Degraded Performance
90 days ago
99.46 % uptime
Today
console.anthropic.com Operational
90 days ago
99.49 % uptime
Today
api.anthropic.com Degraded Performance
90 days ago
99.6 % uptime
Today
api.anthropic.com - Beta Features Operational
90 days ago
99.97 % uptime
Today
Claude Code Operational
90 days ago
100.0 % uptime
Today
anthropic.com Operational
90 days ago
100.0 % 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 5, 2025

Unresolved incident: Request duration regression for Claude Sonnet 3.7 and 4 and Claude Opus 4.

Jun 4, 2025
Errors on tool use calls on Claude.ai and the Anthropic Console
Resolved - This incident has been resolved.
Jun 4, 11:51 PDT
Identified - We have identified an issue resulting in elevated errors on tool usage for requests within Claude.ai and the Anthropic Console. Our engineers have identified a fix, and are working to resolve these issues.
Jun 4, 11:22 PDT
Jun 3, 2025
Jun 2, 2025
Elevated errors on requests to Claude Sonnet 3.7 and 4
Resolved - This incident has been resolved.
Jun 2, 12:30 PDT
Monitoring - We have identified an issue which resulted in elevated error rates on requests to Claude Sonnet 3.7 and 4. This issue has been resolved, and we are monitoring success rates closely.
Jun 2, 12:12 PDT
Jun 1, 2025

No incidents reported.

May 31, 2025

No incidents reported.

May 30, 2025

No incidents reported.

May 29, 2025
Elevated errors on Claude Sonnet 4 for Claude.ai
Resolved - As of 14:10 UTC we did not observe any more errors
May 29, 07:18 PDT
Investigating - Since 13:30 UTC we've observed an elevated number of errors on the Claude Sonnet 4 model for Claude AI users.
May 29, 07:05 PDT
May 28, 2025

No incidents reported.

May 27, 2025
Claude.ai and console.anthropic.com down
Resolved - This incident has been resolved.
May 27, 17:40 PDT
Monitoring - From 22:11–00:24 UTC, Claude.ai and the Anthropic Console were unavailable with users being unable to login to the impacted services. This issue is now resolved.
May 27, 17:28 PDT
Update - We are continuing to work to resolve issues preventing users from accessing Claude.ai and the Anthropic Console. We will provide additional updates as soon as possible.
May 27, 16:06 PDT
Identified - We are continuing to work to resolve an issue affecting users of Claude.ai and the Anthropic Console, which is preventing users from logging into these services. Usage of the Anthropic API is unaffected.
May 27, 15:34 PDT
Update - We are continuing to investigate this issue.
May 27, 15:25 PDT
Investigating - We are currently investigating the issue
May 27, 15:25 PDT
May 26, 2025
Elevated errors with code execution tools
Resolved - This incident has been resolved.
May 26, 17:36 PDT
Investigating - We are currently investigating this issue.
May 26, 16:06 PDT
Elevated errors for requests to Claude 4 Opus
Resolved - This incident has been resolved.
May 26, 17:12 PDT
Monitoring - A fix has been implemented and we are monitoring the results.
May 26, 11:58 PDT
Investigating - We are currently investigating elevated errors on requests to Claude 4 Opus on the API, Claude.ai, and the Anthropic Console.
May 26, 11:28 PDT
Elevated errors for requests to Claude 4 Opus
Resolved - This incident has been resolved.
May 26, 08:15 PDT
Monitoring - A fix has been implemented and we are monitoring the results.
May 26, 05:45 PDT
May 25, 2025

No incidents reported.

May 24, 2025

No incidents reported.

May 23, 2025
Incorrect display of 'Legacy Model' on Claude.ai for conversations with Opus 4
Resolved - We have identified an issue which resulted in some conversations with Claude Opus 4 showing a 'Legacy Model' in the selector, and resulting in Opus being unavailable to selected to continue the conversation. This issue has been resolved.
May 23, 17:46 PDT
Elevated errors on Claude Sonnet 4
Resolved - This incident has been resolved.
May 23, 03:31 PDT
Monitoring - A fix has been implemented and we are monitoring the results.
May 23, 03:26 PDT
Identified - The issue has been identified and a fix is being implemented.
May 23, 02:41 PDT
Investigating - We are currently investigating an issue that started at 05:30 UTC.
May 23, 01:27 PDT
May 22, 2025
Elevated errors on tool use for Claude Code on Opus 4
Resolved - This incident has been resolved.
May 22, 15:32 PDT
Monitoring - A fix has been implemented, and the issue should be resolved upon updating Claude Code. We are continuing to monitor closely to ensure there are no further issues.
May 22, 14:57 PDT
Investigating - We have identified an issue related to tool usage in Claude Code on Claude Opus 4, and our engineers are working to resolve this issue. We will provide additional updates as soon as possible.
May 22, 14:37 PDT
Errors with images on Claude.ai conversations with Claude Sonnet 4
Resolved - This incident has been resolved.
May 22, 14:44 PDT
Identified - We have identified an issue preventing image use for some users in conversations with Claude Sonnet 4. Our engineers are working to resolve this issue as quickly as possible.
May 22, 12:42 PDT
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