Author: Bhaskar Tallamraju and Vishal Saxena, Privify Inc. · Code and benchmark: github.com/Privify-Inc/aiact-tier · Fine-tuned from: Qwen3-4B (Alibaba Cloud / Qwen Team, Apache 2.0) · License: Apache 2.0. The base model's capabilities come from the Qwen team's work; please cite the Qwen3 Technical Report alongside this model. A 4B-parameter model, fine-tuned from Qwen3-4B with LoRA (Low-Rank Adaptation, a lightweight fine-tuning method), that classifies a described AI system under the EU AI Act (Regulation (EU) 2024/1689). It returns a risk tier and the provisions that apply, as JSON. Provided as is, with no warranty and no liability (Apache 2.0, sections 7 and 8). Not legal advice, not a…