Degraded performance for multiple models

S status.claude.com ↗

▲ 151 points • 140 comments • by matt89 • 6d ago • HN discussion ↗

Pangram verdict · v3.3

We believe that this entire text is human-written.

2 %

AI likelihood · overall

Human

100% human-written 0% AI-generated

SEGMENTS · HUMAN 1 of 1

SEGMENTS · AI 0 of 1

WORD COUNT 111

PEAK AI % 2% · §1

Analyzed

Aug 18

backend: pangram/v3.3

Segments scanned

1 windows

avg 111 words each

Distribution

100 / 0%

human / AI fraction

Verdict

Human

Pangram v3.3

Article text · 111 words · 1 segments analyzed

Human AI-generated

§1 Human · 2%

Update We are investigating elevated errors on requests to Claude Opus 5. We will provide an update as soon as possible. Posted Aug 18, 2026 - 17:12 UTC Update We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, Claude Sonnet 5, Claude Haiku 4.5, and other Claude models. We will provide an update as soon as possible. Posted Aug 18, 2026 - 16:20 UTC Investigating We are investigating reports of degraded performance affecting multiple models. We will provide an update as soon as possible. Posted Aug 18, 2026 - 16:20 UTC This incident affects: claude.ai, Claude API (api.anthropic.com), Claude Code, and Claude Cowork.