Anthropic outage — July 19, 2026
Elevated error rates for Opus 4.5
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 20, 2026 · 12:59 UTC |
| Service | Multiple services |
| Official record | https://stspg.io/lzrpkz4y2ry9 |
Timeline
- 19:38Z
Detected · Signal
14 crowd signals for Multiple services on ANTHROPIC crossed the signal threshold. - 07:08Z
Confirmed · Official
An official ANTHROPIC status-page notice corroborated the event. - 12:59Z
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. 14 crowd reports across bluesky, hn_comments (below the anomaly threshold), z=+0.1σ vs the cell baseline. Official notice confirms it.