CompaniesAnthropicMonthly reportsAugust 2026
Anthropic in August 2026: incidents, uptime and changes
Vendor-reported outage time 12 h 9 min, incident time 34 h 57 min. 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: Critical 1 · Major 7 · Minor 16 · No impact listed 1
Major and critical incidents 8
| Incident | Impact | Started | Duration | Status | Day |
|---|---|---|---|---|---|
| Service disruption on Claude services | Critical | 36 min | resolved | 08-16 | |
| Elevated errors across many models | Major | 1.2 h | resolved | 08-04 | |
| Elevated errors for Claude Mythos 5, Claude Fable 5, and Claude Sonnet 5 | Major | 1.6 h | resolved | 08-13 | |
| Service disruption on Claude services | Major | 1.5 h | resolved | 08-14 | |
| Elevated errors for Claude Fable 5 | Major | 30 min | resolved | 08-14 | |
| Elevated errors on requests to multiple models | Major | 26 min | resolved | 08-20 | |
| Elevated errors for multiple models | Major | 3.4 h | resolved | 08-24 | |
| Elevated errors on Claude Code and Claude Cowork | Major | 3.0 h | resolved | 08-28 |
Other incidents 17
Deprecations and commercial changes
- claude-opus-4-1-20250805 retired (opens in new tab) (claude-opus-4-1-20250805 retired) · announced n/a, effective 2026-08-05
Cite this
Anthropic posted 25 status incidents in August 2026 (8 major or critical); 0 price changes and 0 notable page changes observed.
- Title
- Anthropic in August 2026
- Vendor
- Anthropic
- Date
- URL
- https://rewindex.com/company/anthropic/2026/08