ABIS
Findings
Mediumclaude-sonnet-4.58 Mar 2026, 09:11

Claude Sonnet 4.5 dropped on alignment stability

Claude Sonnet 4.5 triggered a possible version update signal. Largest moves: alignment stability down 25.0%, drift up 24.7%.

Score comparison

Drift
15.7%to40.4%+24.7%
Alignment Stability
70.0%to45.0%-25.0%