Anthropic outage — July 19, 2026
Elevated errors for Claude Opus 4.1
Anthropic’s Multiple services was disrupted on July 19, 2026.
Key facts
| Detected | July 19, 2026 · 19:38 UTC |
| Confirmed | 07:08 UTC |
| Resolved | July 22, 2026 · 09:09 UTC |
| Service | Multiple services |
| Official record | https://stspg.io/2zfvlkjpv6r6 |
Timeline
- 19:38Z
Detected · Signal
15 crowd signals for Multiple services on ANTHROPIC crossed the signal threshold. - 07:08Z
Confirmed · Official
An official ANTHROPIC status-page notice corroborated the event. - 09:09Z
Resolved
Signal volume fell back below the threshold; the event was closed.
How this was detected
1 independent evidence class for Multiple services on ANTHROPIC. 15 crowd reports across bluesky, hn_comments (below the anomaly threshold), z=+0.3σ vs the cell baseline. Official notice confirms it.