Elevated error rates for Claude Sonnet 4.5 EIS inference endpoints

Major Impact Investigating Ongoing March 30, 2026

Incident Lifecycle

Investigating

Incident Timeline

Investigating
We're seeing elevated 5xx error rates for the Claude Sonnet 4.5 model in EIS. The following default inference endpoints are affected:

- .anthropic-claude-4.5-sonnet-chat_completion
- .anthropic-claude-4.5-sonnet-completion
- .gp-llm-v2-chat_completion
- .gp-llm-v2-completion

We're investigating and will update again in 2 hours or if there's a change in status.
Mar 30, 2026 at 6:46 PM UTC
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