Qwen2.5-Coder is the latest series from the Qwen large language model, focusing on code generation, reasoning, and debugging. Built upon the powerful Qwen2.5 framework, this model has been trained on 550 trillion source code, text-code correlations, and synthesized data, making it one of the leading open-source code language models today, rivaling GPT-4 in coding ability. Additionally, Qwen2.5-Coder offers comprehensive real-world application capabilities, such as code agents, enhancing coding proficiency while maintaining strengths in mathematical and general skills.