Signal
Elevated errors affect Claude Opus and Sonnet 4.6 models on March 17
On March 17, 2026, elevated error rates were reported on Claude AI models Opus 4.6 and Sonnet 4.6. The issues were first investigated in the morning and later identified, with fixes being implemented. The Sonnet 4.6 errors initially impacted only free Claude.ai users.
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- Claude Status (RSS) - official incident reportsstatus.claude.com
- Elevated errors on Claude Sonnet 4.6Claude Status (RSS)
- Elevated errors on Claude Opus 4.6Claude Status (RSS)