Qwen2.5-1M is an open-source model released by the Alibaba Tongyi Qianwen team, supporting context lengths of 1 million tokens. The model includes two versions: Qwen2.5-7B-Instruct-1M and Qwen2.5-14B-Instruct-1M. (The text abruptly ends here, likely due to an incomplete sentence or missing information.)