Companies / Anthropic / Monthly reports / June 2026
Anthropic in June 2026: incidents, uptime and changes Overview Changes Uptime Monthly ← May 2026 All months July 2026 → 48 incidents posted
10 labelled major or critical
73.91% free of major/critical
69.60% free of any incident
0 price changes
0 notable page changes
Vendor-reported outage time 7.8 days, incident time 9.1 days. Derived from the incidents the vendor posted on its own status page, not measured by us. A minute counts as an outage minute when a major or critical incident (as the vendor labelled it) was open; incident minutes include minor ones too. Maintenance and incidents marked "no impact" are left out, overlapping incidents are merged, a resolved incident counts for at most 7 days, and one still open with no resolution counts for at most 24 hours. Last 90 days .
By vendor label:
Major and critical incidents 10 Incident Impact Started Duration Status Day We’ve suspended access to Claude Mythos 5 and Claude Fable 5 Jun 13, 00:50 19 d resolved 06-13 Elevated error rate across multiple models Jun 23, 14:19 2.4 h resolved 06-23 Elevated errors on multiple models Jun 2, 06:04 5.8 h resolved 06-02 Issue affecting some Claude Code services Jun 3, 04:17 3.3 h resolved 06-03 Elevated errors on many Claude models Jun 5, 15:19 3.1 h resolved 06-05 Fable not available in the model picker in Claude Code Desktop Jun 9, 18:24 2.6 h resolved 06-09 Elevated errors across models Jun 11, 16:54 1.0 h resolved 06-11 Elevated errors for Claude Opus 4.8 Jun 16, 20:50 1.2 h resolved 06-16 Service disruption on Claude services Jun 18, 07:41 38 min resolved 06-18 Elevated Error Rates for Opus 4.8, Opus 4.7, Opus 4.6, Sonnet 4.6, and Haiku 4.5 Jun 22, 00:37 1.5 h resolved 06-22
Other incidents 38 Incident Impact Started Duration Status Day Opus 4.7 elevated errors Jun 1, 06:48 34 min resolved 06-01 Sonnet 4.5 elevated errors Jun 1, 09:08 20 min resolved 06-01 Elevated errors for Claude Opus 4.7 Jun 1, 12:15 1.3 h resolved 06-01 Elevated errors on Claude Sonnet 4.6 Jun 1, 14:40 1.0 h resolved 06-01 Degraded performance for Claude Sonnet 4.6 Jun 1, 18:28 38 min resolved 06-01 Elevated errors on Opus 4.7 Jun 3, 07:10 28 min resolved 06-03 Opus 4.8 degraded service Jun 6, 09:27 47 min resolved 06-06 Elevated errors on Claude Opus 4.8 Jun 6, 18:37 28 min resolved 06-06 Degraded performance for multiple models Jun 7, 03:31 57 min resolved 06-07 Elevated errors on Claude Opus 4.7 Jun 7, 14:35 1.1 h resolved 06-07 Elevated errors on Claude Opus 4.7 Jun 8, 17:15 2.1 h resolved 06-08 Elevated errors on Claude Haiku 4.5 Jun 8, 19:10 42 min resolved 06-08 Elevated errors on Claude Opus 4.7 Jun 8, 21:05 51 min resolved 06-08 Elevated errors on Claude Opus 4.8 Jun 8, 22:20 16 min resolved 06-08 Elevated errors on Claude Opus 4.8 (Fast Mode) Jun 9, 03:13 29 min resolved 06-09 Elevated errors on Claude Opus 4.6 Jun 9, 20:32 1.6 h resolved 06-09 Elevated errors on Claude Haiku 4.5 Jun 10, 13:06 4.3 h resolved 06-10 Elevated errors on Claude Opus 4.6 Jun 11, 14:37 24 min resolved 06-11 Elevated errors on Claude Opus 4.8 Jun 13, 02:03 8 min resolved 06-13 Elevated errors on Claude Opus 4.8 Jun 15, 06:20 2.6 h resolved 06-15 Elevated errors across many models Jun 16, 17:29 2.0 h resolved 06-16 Opus 4.8 errors Jun 16, 19:59 17 min resolved 06-16 Elevated errors on Claude Sonnet 4.6 and Opus 4.8 Jun 17, 00:47 2.0 h resolved 06-17 Elevated errors for Claude Opus 4.8 Jun 17, 05:08 1.5 h resolved 06-17 Elevated errors for Claude Opus 4.8 Jun 17, 08:24 1.6 h resolved 06-17 Elevated errors for Claude Opus 4.8 Jun 17, 15:34 54 min resolved 06-17 Elevated errors for Claude Opus 4.8 Jun 19, 06:07 1.2 h resolved 06-19 Elevated error rates on the Claude API Jun 19, 08:17 28 min resolved 06-19 Opus 4.8 errors Jun 20, 17:07 55 min resolved 06-20 Elevated errors for Claude Opus 4.8 Jun 22, 08:11 6.5 h resolved 06-22 Elevated errors across many models Jun 22, 19:14 31 min resolved 06-22 Elevated errors for Claude Opus 4.8 Jun 23, 06:28 2.3 h resolved 06-23 Claude.ai is experiencing elevated error rates Jun 23, 18:24 8 min resolved 06-23 Elevated error rate on Claude Opus 4.8 Jun 24, 13:16 1.7 h resolved 06-24 Elevated errors on Opus 4.8 Fast Jun 24, 18:22 11 min resolved 06-24 elevated errors on Opus 48 Jun 27, 18:00 0 min resolved 06-27 Elevated errors on Opus 4.5 Jun 29, 13:35 52 min resolved 06-29 Elevated error rates on Opus 4.8 Jun 30, 14:31 57 min resolved 06-30
CVEs published CVE-2026-7574 Anthropic Claude Desktop Cowork VM Image Contents Not Validated Before Use (CVSS 8.7) Cite this Anthropic posted 48 status incidents in June 2026 (10 major or critical); 0 price changes and 0 notable page changes observed.
Title Anthropic in June 2026 Vendor Anthropic Date 2026-06-01 00:00 UTC URL https://rewindex.com/company/anthropic/2026/06 Copy citation Copy markdown link