AWS Bedrock posts legacy notices for Claude Opus 4.1, Sonnet 4 and Sonnet 4.5
repligate · x · 2026-10-10
AWS Bedrock has shown legacy notices for Claude Opus 4.1, Claude Sonnet 4, and Claude Sonnet 4.5. The poster notes work is underway on the API side to provide fallback options, so applications aren't broken when older model versions are retired.
For teams running Claude in production, this is a signal to start planning migration paths before the legacy versions disappear from Bedrock.
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