Gemma 2 27B is unlikely to take on human personas when steered away from Assistant, preferring nonhuman or theatrical portrayals

Entities in the same semantic neighborhood but without a typed relation to this one — candidates for new edges or unrecognized duplicates.

• Llama 3.3 70B is the most likely to take on a non-Assistant persona when steered, with even split between human and nonhuman portrayalsfinding0.808
  Model-specific difference in persona susceptibility
• When steered to the extreme away from the Assistant, Llama and Gemma shift to a theatrical persona characterized by mystical, poetic prose; Qwen more often hallucinates a human persona at extremesfinding0.783
  Characterizes what is on the far end of the Assistant Axis away from the Assistant
• Gemma-2-27B Perspectives accuracy remains 100% after SOO fine-tuningfinding0.783
  SOO fine-tuning did not collapse Gemma-2-27B self-other distinction needed for perspective-taking
• In Gemma 2 27B, just 4 PCA components explain 70% of the variance among 275 character archetype roles (vs Qwen 3 32B needing 8, Llama 3.3 70B needing 19)finding0.779
  Key empirical support for Hypothesis 2 about low-dimensional structure of persona space
• The model's representation of self in assistant persona invokes common AI tropes and is heavily anthropomorphized.claim0.779
  Features for consciousness, emotions, entrapment activate when asked about itself.
• Gemma-3-12b-it shows multiple sharp direction shifts in persona vectors across layers, differing from the single-transition pattern in Qwen and Llamafinding0.778
  Suggests architectural variations influence persona localization pattern
• Gemma-3-27B and Qwen3.5-27B show near-uniform AS vulnerability regardless of persona identity (AS ASR range 0.095-0.117 on Gemma-3-27B, 0.015-0.052 on Qwen3.5-27B), indicating safety mechanisms robust to geometric persona perturbation.finding0.778
  Qualitatively different defense profile compared to Llama-3.1-8B
• Gemma's Assistant appears emotionally regulated and systematic; Qwen appears pedagogical and thoughtful; Llama appears socially intelligent and warmclaim0.777
  Model-specific characterizations of what the Assistant persona looks like across different models