Anthropic outage — August 14, 2026
Elevated errors for Claude Fable 5
Anthropic’s Claude.ai was disrupted for 9h 45m on August 14, 2026. 503Radar’s sensors raised the first signal at 15:09 UTC, 8h 59m before the official status page acknowledged impact.
Key facts
| Detected | August 14, 2026 · 15:09 UTC |
| Confirmed | 00:08 UTC · lead time 8h 59m |
| Resolved | 00:54 UTC |
| Duration | 9h 45m |
| Service | Claude.ai |
| Official record | https://stspg.io/vpnnwf2vhdv4 |
Timeline
- 15:09Z
Detected · Signal
4 crowd signals for Claude.ai on ANTHROPIC crossed the signal threshold. - 00:08Z
Confirmed · Official
An official ANTHROPIC status-page notice corroborated the event — 8h 59m after detection. - 00:54Z
Resolved
Signal volume fell back below the threshold; the event was closed.
How this was detected
1 independent evidence class for claude-ai on ANTHROPIC. 4 crowd reports across bluesky (single platform — not corroborating), z=+1.7σ vs the cell baseline. Official notice confirms it, 8h 59m after the crowd.