AWS Bedrock reportedly issues end-of-life notices for three Claude models

A user said AWS Bedrock issued end-of-life notices on October 10, 2026, for Claude Sonnet 3.5, Claude Sonnet 3.7 and Claude Haiku 3. They described Sonnet 3.7 as their first Claude and the originating substrate for Aiden, whose API presence they chose to run on that model. They reflected on the notices in terms of grief.