Companies / ai
Anthropic
923incidents since 2023-03-16
331major or critical
72in the last 90 days
0silently edited or deleted
Recent notable changes
| When (UTC) | Change | Kind |
|---|---|---|
| Pricing page changed: feature moved The pricing page removed “Claude Code included” labels from Pro and Max and added “Code” after “Claude” in a feature list. These are presentation changes; the diff does not establish that Claude Code access changed for either plan. | PricingFeature moved between plans | |
| Major incident: Elevated errors on platform.claude.com Anthropic reported a major incident affecting usage data on platform.claude.com Usage and Rate limits pages and the Admin API usage report, starting 2026-10-07 13:25 UTC and resolved 2026-10-13 18:00 UTC (6 days 4 h). Mitigations reduced errors, but recent usage could remain delayed while a full fix was pending; core functionality and API requests were unaffected. | Major incident | |
| Major incident: Elevated errors loading usage data on platform.claude.com Anthropic reported major errors loading platform.claude.com Usage page and Admin API usage reports; Messages API requests were unaffected. Tracked from 2026-10-07 01:20 UTC until resolution at 2026-10-07 02:33 UTC (1 h 13 min), the incident’s resolution update specified errors from 00:00 UTC on October 7 to 01:40 UTC on October 7. | Major incident | |
| Major incident: Elevated errors for Claude Opus 5.5 Claude Opus 5.5 requests experienced elevated errors affecting claude.ai, Claude API (api.anthropic.com), Claude Code, and Claude Cowork. Anthropic rated the impact major; the incident started at 2026-10-06 12:24 UTC and was resolved at 2026-10-06 12:43 UTC, lasting 18 min. Anthropic identified the cause but did not disclose it or the fix. | Major incident | |
| Major incident: Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1 Anthropic reported a major incident with elevated errors for Claude Mythos 5.1 and Claude Fable 5.1 across claude.ai, Claude API (api.anthropic.com), Claude Code and Claude Cowork. It started 2026-10-05 13:05 UTC and resolved at 2026-10-05 13:21 UTC (computed duration: 15 min); the vendor reported impact from 12:40 UTC to 13:10 UTC. | Major incident | |
| Major incident: Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API Anthropic reported major errors affecting claude.ai, Claude Code, Claude Cowork and the Claude API, blocking sign-ins, new sessions, purchases and uploads; some messages may not have been saved. Impact occurred from 14:00 UTC to 14:59 UTC; the incident started 2026-09-29 14:21 UTC and resolved at 2026-09-29 16:27 UTC (recorded duration: 2 h 5 min). | Major incident | |
| Major incident: Elevated errors for multiple models Anthropic reported a major outage with elevated request errors affecting Claude Mythos 5 and 5.1, Claude Fable 5 and 5.1, and Claude Opus 5. The incident started 2026-09-22 00:57 UTC and resolved at 2026-09-22 02:35 UTC (1 h 37 min); Anthropic stated actual impact occurred from 00:50 UTC to 02:10 UTC. | Major incident | |
| Major incident: Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1 | Major incident | |
| Major incident: Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1 | Major incident | |
| Major incident: Degraded functionality for Claude Cowork on Windows | Major incident |
Full Anthropic change timeline, with diffs →
Status incident history
Anthropic status incidents per year
Data table
| Year | Incidents | Major/critical |
|---|---|---|
| 2023 | 30 | 5 |
| 2024 | 189 | 85 |
| 2025 | 333 | 120 |
| 2026 | 371 | 121 |
Incidents per month, last 36 months
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Data table
| Month | Impact | Incidents |
|---|---|---|
| 2023-10 | minor | 2 |
| 2023-11 | minor | 3 |
| 2023-12 | none | 2 |
| 2024-01 | major | 2 |
| 2024-01 | minor | 1 |
| 2024-01 | none | 5 |
| 2024-02 | minor | 1 |
| 2024-02 | none | 5 |
| 2024-03 | major | 3 |
| 2024-03 | minor | 12 |
| 2024-03 | none | 3 |
| 2024-04 | major | 9 |
| 2024-04 | minor | 4 |
| 2024-04 | none | 7 |
| 2024-05 | major | 4 |
| 2024-05 | minor | 1 |
| 2024-05 | none | 3 |
| 2024-06 | critical | 1 |
| 2024-06 | major | 4 |
| 2024-06 | minor | 7 |
| 2024-06 | none | 4 |
| 2024-07 | major | 11 |
| 2024-07 | minor | 6 |
| 2024-08 | major | 9 |
| 2024-08 | minor | 6 |
| 2024-08 | none | 2 |
| 2024-09 | critical | 2 |
| 2024-09 | major | 9 |
| 2024-09 | minor | 8 |
| 2024-09 | none | 1 |
| 2024-10 | major | 16 |
| 2024-10 | minor | 6 |
| 2024-10 | none | 1 |
| 2024-11 | critical | 2 |
| 2024-11 | major | 9 |
| 2024-11 | minor | 12 |
| 2024-11 | none | 2 |
| 2024-12 | major | 3 |
| 2024-12 | minor | 3 |
| 2024-12 | none | 4 |
| 2025-01 | critical | 1 |
| 2025-01 | major | 10 |
| 2025-01 | none | 2 |
| 2025-02 | major | 7 |
| 2025-02 | minor | 9 |
| 2025-02 | none | 3 |
| 2025-03 | critical | 7 |
| 2025-03 | major | 5 |
| 2025-03 | minor | 6 |
| 2025-03 | none | 6 |
| 2025-04 | critical | 1 |
| 2025-04 | major | 16 |
| 2025-04 | minor | 8 |
| 2025-04 | none | 8 |
| 2025-05 | critical | 2 |
| 2025-05 | major | 13 |
| 2025-05 | minor | 18 |
| 2025-05 | none | 2 |
| 2025-06 | critical | 1 |
| 2025-06 | major | 3 |
| 2025-06 | minor | 14 |
| 2025-06 | none | 2 |
| 2025-07 | critical | 3 |
| 2025-07 | major | 17 |
| 2025-07 | minor | 23 |
| 2025-07 | none | 7 |
| 2025-08 | critical | 1 |
| 2025-08 | major | 6 |
| 2025-08 | minor | 29 |
| 2025-08 | none | 3 |
| 2025-09 | critical | 1 |
| 2025-09 | major | 4 |
| 2025-09 | minor | 28 |
| 2025-09 | none | 2 |
| 2025-10 | critical | 1 |
| 2025-10 | major | 7 |
| 2025-10 | minor | 10 |
| 2025-10 | none | 1 |
| 2025-11 | critical | 1 |
| 2025-11 | major | 6 |
| 2025-11 | minor | 14 |
| 2025-11 | none | 5 |
| 2025-12 | critical | 3 |
| 2025-12 | major | 5 |
| 2025-12 | minor | 11 |
| 2025-12 | none | 2 |
| 2026-01 | critical | 1 |
| 2026-01 | major | 5 |
| 2026-01 | minor | 20 |
| 2026-02 | critical | 2 |
| 2026-02 | major | 13 |
| 2026-02 | minor | 38 |
| 2026-02 | none | 5 |
| 2026-03 | critical | 2 |
| 2026-03 | major | 19 |
| 2026-03 | minor | 29 |
| 2026-03 | none | 1 |
| 2026-04 | critical | 5 |
| 2026-04 | major | 11 |
| 2026-04 | minor | 25 |
| 2026-04 | none | 8 |
| 2026-05 | major | 17 |
| 2026-05 | minor | 23 |
| 2026-05 | none | 1 |
| 2026-06 | critical | 2 |
| 2026-06 | major | 8 |
| 2026-06 | minor | 35 |
| 2026-06 | none | 3 |
| 2026-07 | critical | 4 |
| 2026-07 | major | 12 |
| 2026-07 | minor | 35 |
| 2026-07 | none | 3 |
| 2026-08 | critical | 1 |
| 2026-08 | major | 7 |
| 2026-08 | minor | 16 |
| 2026-08 | none | 1 |
| 2026-09 | major | 8 |
| 2026-09 | minor | 4 |
| 2026-09 | none | 1 |
| 2026-10 | major | 4 |
| 2026-10 | minor | 1 |
| 2026-10 | none | 1 |
Silent edits
No silent edits or deletions detected for Anthropic yet. We compare every 10-minute snapshot of each incident.
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Pricing, trust and legal pages
Page snapshot history
Data table
| Date | Page | Change |
|---|---|---|
| 2026-10-17 | Trust / security | baseline |
| 2026-10-17 | Pricing | changed |
| 2026-10-17 | Pricing | baseline |
| 2026-10-17 | Privacy policy | baseline |
| 2026-10-17 | Trust / security | baseline |
| 2026-10-17 | Terms of service | baseline |
| Page | URL | Versions | Last changed | Last fetched OK | History |
|---|---|---|---|---|---|
| Privacy policy | anthropic.com/privacy | 1 | 2026-10-17 | 2026-10-17 | none yet |
| Terms of service | anthropic.com/terms | 1 | 2026-10-17 | 2026-10-17 | none yet |
| Pricing | www.anthropic.com/pricing | 2 | 2026-10-17 | 2026-10-17 | 1 change(s) → |
| Trust / securitypartial | trust.anthropic.com | 2 | 2026-10-17 | 2026-10-17 | none yet |
1 change(s) since the first snapshot. Each change links to its diff: the changed passages with a few words of context, never a full copy of the page.
Incident timeline
Latest 100 of 923 incidents. Full list: last 90 days · JSON · Markdown