Downrightnow
// Incident Post-MortemDRN-1131CEB4

Anthropic outage on July 17, 2026

Minor severityResolved6h 1mAI Tools
Started · UTC
Jul 17, 06:47 AM
24h ago
Resolved · UTC
Jul 17, 12:49 PM
18h ago
Duration
6h 1m
End-to-end
Peak confidence
45.00
240 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 6h 1m. 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 · Fri, Jul 17, 2026, 12:28 PM UTC · scope: this incident

// Timeline

  1. Incident detected

    Minor confidence crossed the incident threshold for Anthropic: elevated errors on Sonnet 5 and Haiku 4.5.

  2. Status changed to Degraded Performance

    The stored readout moved to Degraded Performance with confidence 38.00.

  3. Status changed to Operational

    The stored readout moved to Operational with confidence 80.00.

  4. Status changed to Degraded Performance

    The stored readout moved to Degraded Performance with confidence 38.00.

  5. Marked resolved

    The incident was closed after 5h 41m of observed impact.

  6. Peak confidence reached

    Confidence peaked at 80.00 while the service was marked Operational.

// 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 240 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 Fri, Jul 17, 2026, 12:49 PM UTC.