Zen Copyright 2025-2026 Zen Authors This model and its accompanying code are licensed under the Apache License, Version 2.0. Zen models are developed by the Zen Authors (https://zenlm.org). Fine-tuned from Qwen3-8B (Alibaba Cloud, Qwen team), licensed under the Apache License, Version 2.0. Upstream: https://huggingface.co/Qwen/Qwen3-8B