Downrightnow
// Incident Post-MortemDRN-6DE20CB1

Anthropic outage on June 20, 2026

Minor severityResolved2h 58mAI Tools
Started · UTC
Jun 20, 05:23 PM
3d ago
Resolved · UTC
Jun 20, 08:21 PM
3d ago
Duration
2h 58m
End-to-end
Peak confidence
45.00
0 snapshots
// User impact

Anthropic users likely saw failed connections, degraded availability, or session instability for this AI Tools service. The incident reached Minor severity and lasted 2h 58m. The stored report window does not show a preserved user-report spike.

// What happened

Anthropic appears to be operating normally based on current signals. DNS is no recent DNS check, user reports are quiet.

Cached · Sat, Jun 20, 2026, 09:00 PM UTC · scope: this incident

// Timeline

  1. Incident detected

    Minor confidence crossed the incident threshold for Anthropic: opus 4.8 errors.

  2. Marked resolved

    The incident was closed after 2h 58m of observed impact.

// Signals by source0 sources

No per-source signal payloads were preserved in this incident's snapshot window.

// Aggregate evidence

Confidence scoring

45.00

The incident reached 45.00 peak confidence across available stored status snapshots.

User reports

0 / 15m

No elevated user-report volume was preserved in the incident window snapshots.

Status samples

0 affected

The incident row exists, but the bounded snapshot window does not include affected status samples.

Recovery signal

Resolved

Recovery was recorded at Sat, Jun 20, 2026, 08:21 PM UTC.