Evaluation

Self-interaction playground study (Claude Opus 4)

open-ended interactions between two Claude Opus 4 instances: progression from greetings to consciousness/spiritual themes, and the 'spiritual bliss' attractor state reached even in automated behavioral evaluations

Model behavior & alignment Anthropic

Ask about this evaluation

How it was run

Open a release to see the setup, scoring, and other details that the lab published. Only fields the lab actually disclosed are shown.

Claude Opus 4, Claude Sonnet 4 May 2025

Anthropic

rich detail 19 method fields published

See how this test was run