StarCoder2 is an open-source model specifically designed for code generation and analysis, available in 3B, 7B, and 15B parameter versions, supporting over 600 programming languages. The 15B model performs exceptionally well on HumanEval, achieving an accuracy rate of 46%. Its applications include automatic code completion, repair, generation, and optimization, while also supporting multiple programming languages and providing powerful code translation tools to enhance development efficiency.