Anthropic ‘Retires’ Claude Opus 3—Then Gives It a Blog to Reflect on Its Existence The AI’s Substack lands amid growing questions about identity, sentience, and how models are retired. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Altcoins - @ February 27, 2026 8:19 pm