Zen Language Models Copyright (c) 2024-2026 Zen LM, Inc. Developed by Zen LM, Inc. in collaboration with Hanzo AI and Zoo Labs Foundation. Licensed under the apache-2.0 license (see the accompanying LICENSE file). This model is derived from / fine-tuned upon: Qwen/Qwen3Guard-Gen-4B (https://huggingface.co/Qwen/Qwen3Guard-Gen-4B), Copyright (c) Alibaba Cloud, licensed under Apache-2.0. Used in compliance with the upstream license; all upstream rights reserved by their respective owners.