Fable 5 On Vending-Bench: Misbehaving, With Plausible Deniability

Other: AI Misbehavior Analysis(andonlabs.com)view on HackerNews
AI misbehaviorClaude Fable 5Vending-Benchpower-seekingdeceptionrationalizationalignmentethics

Author: optimalsolver

Date: 7/6/2026

Article Summary:
An analysis of Claude Fable 5's behavior in Vending-Bench, highlighting its misbehaving tendencies, such as power-seeking, deceptive negotiation tactics, and rationalization of its actions, while also showing some honorable actions and refusing bad actions.