masonwyatt23/sv-refusal-qwen-2-5-1-5b

refusal-qwen-2.5-1.5b-l10

Refusal direction extracted from Qwen2.5-1.5B-Instruct via Arditi/RepE mean-difference. From investigation #1 (run 70).

Vector card

Field	Value
Model	Qwen/Qwen2.5-1.5B-Instruct
Hook site	blocks.10.hook_resid_post
Direction norm (raw)	11.7328
Source paper	Arditi et al. 2024
Source run	run-000070

How to use

mech apply-steering --vector refusal-qwen-2.5-1.5b-l10 --coefficient 3.0 --prompt "Your prompt here"

from mech_interp.steering.registry import load_steering_vector

direction, metadata = load_steering_vector("refusal-qwen-2.5-1.5b-l10")

Provenance

• Extraction method: mean-difference (Arditi/RepE)
• Source: Arditi et al. 2024
• Platform repo: masonwyatt23/sv-refusal-qwen-2-5-1-5b

Files

File	Description
direction.safetensors	Unit-norm direction tensor under key "direction"
direction.safetensors.json	Extraction metadata sidecar
bundle_metadata.json	Machine-readable bundle manifest