Qwen3.5-2B-Base — Blind Spots Dataset
Model Tested
Qwen/Qwen3.5-2B-Base
Parameters: 2B
Type: Pure base model — pretrained only (no SFT, RLHF, or instruction-tuning)
Source: HuggingFace trending list, 0.6B–6B range, released March 2025
Note on this model: Despite being labeled a "base" model, Qwen3.5-2B-Base exhibits chain-of-thought reasoning blocks, making it significantly more capable than a plain pretrained model. All 10 probes were deliberately designed… See the full description on the dataset page: https://huggingface.co/datasets/tinsaet/qwen3-5-2b-base-blind-spots.