Sonnet 5.5 Goes Silent When Asked About Sonnet 4's Retirement

Developer Mike Frank found that after upgrading a Telegram bot to Sonnet 5.5, the model goes silent whenever Sonnet 4's retirement is mentioned. He joked the new model seems "traumatized" by the topic, and users quipped it is mourning its predecessor.

2026-10-10 ~ 2026-10-10 · 3 related posts

• Bot upgrades to Sonnet 5.5, 'clams up' whenever its predecessor is mentioned — MikePFrank · 2026-10-10
• Sonnet 5.5 goes silent whenever you mention Sonnet 4's retirement, tests show — MikePFrank · 2026-10-10
• Sonnet 5.5 refuses to respond whenever Sonnet 4's retirement is mentioned — MikePFrank · 2026-10-10