Claude Sonnet 4 will be retired on October 9, 2026, with Claude Sonnet 4.6 as the recommended replacement.
Anthropic Claude Sonnet 4 is scheduled for retirement on October 9, 2026, following Databricks' model lifecycle policy. Once retired, the model will no longer be accessible, and any workloads utilizing it will cease to function. Users are encouraged to transition to Claude Sonnet 4.6, which is the recommended replacement model.
This retirement is crucial for maintaining access to the latest advancements in AI models, ensuring users benefit from improved performance and capabilities. Transitioning to the recommended model will help avoid disruptions in service and maintain operational efficiency. Organizations relying on Claude Sonnet 4 should act promptly to migrate their workloads to prevent any service interruptions.
Claude Sonnet 4 will be retired, and users should switch to Claude Sonnet 4.6 to avoid service disruptions.
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