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[ARTICLE · art-19958] src=status.claude.com pub= topic=artificial-intelligence verified=true sentiment=· neutral

Sonnet 4.5 elevated errors

Anthropic reported elevated error rates for Sonnet 4.5, with users able to subscribe to email and SMS notifications for incident updates. The company will send alerts when Claude creates or resolves incidents related to the elevated errors.

read1 min publishedJun 1, 2026

Subscribe to updates for Sonnet 4.5 elevated errors via email and/or text message. You'll receive email notifications when incidents are updated, and text message notifications whenever Claude creates or resolves an incident.

To receive SMS updates, please verify your number. To proceed with just email click ‘Subscribe’

source & further reading
status.claude.com — original article Issue affecting some Claude Code services Elevated errors on multiple models Degraded performance for Claude Sonnet 4.6
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