Claude Status · History · Incident #4204

RESOLVED

Degraded performance for Claude Sonnet 4.6

Minor · Started Jun 1, 2026 · 6:28 PM

⚡ Pulsetic detected this 200 minutes before Claude acknowledged it

Duration

38m
Severity

Minor
Detection lead

200 min
User reports

Peak 6/hr

Summary

Degraded performance for Claude Sonnet 4.6

This issue has been resolved.

Started

Jun 1, 2026 · 6:28 PM
Resolved

Jun 1, 2026 · 7:06 PM
Duration

38m
Severity

Minor

Detection lead

Pulsetic caught this 200 minutes early

Pulsetic detected

~200 min before acknowledgement

User reports and synthetic probes crossed the detection threshold
Claude acknowledged

Jun 1, 2026 · 6:28 PM

Via official status page

Event timeline

How this incident unfolded

●

Detected by Pulsetic
Jun 1 · 3:08 PM Pulsetic

User reports and synthetic probes crossed the detection threshold — 200 min before the official acknowledgement.
◐

Investigating
Jun 1 · 6:28 PM Claude

We are investigating elevated errors on requests to Claude Sonnet 4.6. We will provide an update as soon as possible.
✓

Resolved
Jun 1 · 7:06 PM Claude

This issue has been resolved.

User reports · incident window

Report volume over time

Hourly report count. Red bars mark the incident window.

Peak: 6 reports/hr

← Before incident After →

Pattern

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