We’ve suspended access to Claude Mythos 5 and Claude Fable 5
02:03 UTC
Elevated errors on Claude Opus 4.8
June 13, 2026
No incidents reported
June 14, 2026
No incidents reported
June 15, 2026
06:20 UTC
Elevated errors on Claude Opus 4.8
June 16, 2026
17:29 UTC
Elevated errors across many models
19:59 UTC
Opus 4.8 errors
20:50 UTC
Elevated errors for Claude Opus 4.8
00:47 UTC
Elevated errors on Claude Sonnet 4.6 and Opus 4.8
June 17, 2026
05:08 UTC
Elevated errors for Claude Opus 4.8
08:24 UTC
Elevated errors for Claude Opus 4.8
15:34 UTC
Elevated errors for Claude Opus 4.8
June 18, 2026
07:41 UTC
Service disruption on Claude services
June 19, 2026
06:07 UTC
Elevated errors for Claude Opus 4.8
08:17 UTC
Elevated error rates on the Claude API
June 20, 2026
17:07 UTC
Opus 4.8 errors
June 21, 2026
00:37 UTC
Elevated Error Rates for Opus 4.8, Opus 4.7, Opus 4.6, Sonnet 4.6, and Haiku 4.5
June 22, 2026
08:11 UTC
Elevated errors for Claude Opus 4.8
19:14 UTC
Elevated errors across many models
June 23, 2026
06:28 UTC
Elevated errors for Claude Opus 4.8
14:19 UTC
Elevated error rate across multiple models
18:24 UTC
Claude.ai is experiencing elevated error rates
June 24, 2026
13:16 UTC
Elevated error rate on Claude Opus 4.8
18:22 UTC
Elevated errors on Opus 4.8 Fast
June 25, 2026
No incidents reported
June 26, 2026
No incidents reported
June 27, 2026
No incidents reported
June 28, 2026
No incidents reported
June 29, 2026
13:35 UTC
Elevated errors on Opus 4.5
June 30, 2026
14:31 UTC
Elevated error rates on Opus 4.8
July 01, 2026
00:38 UTC
Elevated errors on Claude Opus 4.8
July 02, 2026
No incidents reported
July 03, 2026
21:54 UTC
Elevated errors on Claude Fable 5 and Claude Mythos 5
23:42 UTC
Elevated errors across many models
July 04, 2026
No incidents reported
July 05, 2026
No incidents reported
July 06, 2026
07:36 UTC
Elevated errors on several models
19:18 UTC
Elevated errors on Claude.ai
21:49 UTC
Claude Tag seeing elevated GitHub operation failures
July 07, 2026
06:58 UTC
Elevated errors on Claude Sonnet 5
20:02 UTC
Elevated errors for some models
July 08, 2026
06:26 UTC
Elevated errors on Claude Sonnet 5
18:00 UTC
Elevated errors on multiple models
19:07 UTC
Degraded performance for Claude Code on the web, Cowork Remote, Claude Tag, and Claude Code Review sessions
03:28 UTC
Elevated errors for Claude Opus 4.8
July 09, 2026
No incidents reported
July 10, 2026
No incidents reported
Incidents in the last 30 days
Elevated errors for Claude Opus 4.8
Anthropic
·
Resolved 1 day ago
·
We are investigating elevated errors on requests to Claude Opus 4.8. We will provide an update as soon as possible.
Degraded performance for Claude Code on the web, Cowork Remote, Claude Tag, and Claude Code Review sessions
Anthropic
·
Resolved 1 day ago
·
We are currently investigating a performance issue affecting features such as Claude Code on the Web (claude.ai/code), Claude Code Review, Cowork Remote, Claude Tag, and document creation in claude.ai. Our team is working on mitigating this issue.
Elevated errors on multiple models
Anthropic
·
Resolved 1 day ago
·
We are currently investigating this issue.
Elevated errors on Claude Sonnet 5
Anthropic
·
Resolved 2 days ago
·
We are currently investigating this issue.
Elevated errors for some models
Anthropic
·
Resolved 2 days ago
·
We are investigating elevated errors on requests to some models. We will provide an update as soon as possible.
Elevated errors on Claude Sonnet 5
Anthropic
·
Resolved 3 days ago
·
We are currently investigating this issue.
Claude Tag seeing elevated GitHub operation failures
Anthropic
·
Resolved 3 days ago
·
We are currently investigating elevated error rates on calls made Claude Tag. Our team is actively working to identify the root cause. You may experience errors such as GitHub operations denied.
Elevated errors on Claude.ai
Anthropic
·
Resolved 4 days ago
·
We are investigating elevated errors on Claude.ai, and will provide an update as soon as possible.
Elevated errors on several models
Anthropic
·
Resolved 4 days ago
·
We are currently investigating this issue.
Elevated errors across many models
Anthropic
·
Resolved 6 days ago
·
We are currently investigating this issue.
Elevated errors on Claude Fable 5 and Claude Mythos 5
Anthropic
·
Resolved 7 days ago
·
We are currently investigating this issue.
Elevated errors on Claude Opus 4.8
Anthropic
·
Resolved 8 days ago
·
We are currently investigating this issue.
Elevated error rates on Opus 4.8
Anthropic
·
Resolved 10 days ago
·
We are currently investigating elevated error rates on Opus 4.8. Our team is actively working to identify the root cause.
Elevated errors on Opus 4.5
Anthropic
·
Resolved 11 days ago
·
We are currently investigating this issue.
Elevated errors on Opus 4.8 Fast
Anthropic
·
Resolved 16 days ago
·
We are currently investigating this issue.
Elevated error rate on Claude Opus 4.8
Anthropic
·
Resolved 16 days ago
·
We are currently investigating this issue.
Claude.ai is experiencing elevated error rates
Anthropic
·
Resolved 17 days ago
·
We are currently investigating this issue.
Elevated error rate across multiple models
Anthropic
·
Resolved 17 days ago
·
We are currently investigating this issue.
Elevated errors for Claude Opus 4.8
Anthropic
·
Resolved 17 days ago
·
We are currently investigating this issue.
Elevated errors across many models
Anthropic
·
Resolved 18 days ago
·
We are currently investigating this issue.
Elevated errors for Claude Opus 4.8
Anthropic
·
Resolved 18 days ago
·
We are currently investigating this issue.
Elevated Error Rates for Opus 4.8, Opus 4.7, Opus 4.6, Sonnet 4.6, and Haiku 4.5
Anthropic
·
Resolved 18 days ago
·
We are currently investigating this issue.
Opus 4.8 errors
Anthropic
·
Resolved 20 days ago
·
We are currently investigating this issue.
Elevated error rates on the Claude API
Anthropic
·
Resolved 21 days ago
·
We are currently investigating this issue.
Elevated errors for Claude Opus 4.8
Anthropic
·
Resolved 21 days ago
·
We are currently investigating this issue.
Service disruption on Claude services
Anthropic
·
Resolved 22 days ago
·
We have identified the cause of the issue affecting Claude.ai and are working on a fix. We will provide an update as soon as possible.
Elevated errors for Claude Opus 4.8
Anthropic
·
Resolved 23 days ago
·
We are currently investigating this issue.
Elevated errors for Claude Opus 4.8
Anthropic
·
Resolved 23 days ago
·
We are currently investigating this issue.
Elevated errors for Claude Opus 4.8
Anthropic
·
Resolved 23 days ago
·
We are currently investigating this issue.
Elevated errors on Claude Sonnet 4.6 and Opus 4.8
Anthropic
·
Resolved 23 days ago
·
We are currently investigating this issue.
Elevated errors for Claude Opus 4.8
Anthropic
·
Resolved 24 days ago
·
We are investigating elevated errors on requests to Claude Opus 4.8. We will provide an update as soon as possible.
Opus 4.8 errors
Anthropic
·
Resolved 24 days ago
·
Opus 4.8 error rates were elevated from 12:41 PDT to approximately 12:53 PDT. The team is monitoring.
Elevated errors across many models
Anthropic
·
Resolved 24 days ago
·
We are currently investigating this issue.
Elevated errors on Claude Opus 4.8
Anthropic
·
Resolved 25 days ago
·
We are currently investigating this issue.
Elevated errors on Claude Opus 4.8
Anthropic
·
Resolved 27 days ago
·
We are currently investigating this issue.
We’ve suspended access to Claude Mythos 5 and Claude Fable 5
Anthropic
·
Resolved 9 days ago
·
Learn more here: https://anthropic.com/news/fable-mythos-access