DeepCoder-14B-Preview is a new open-source code reasoning model developed by Agentica and Together AI, achieving a 60.6% Pass@1 accuracy on LiveCodeBench with 14B parameters. It utilizes a carefully curated dataset of 24K verified coding problems and advanced reinforcement learning techniques to enhance its performance and generalization capabilities, surpassing existing benchmarks. The project includes open-sourced training materials and optimizations for further development in the coding domain.