DeepSeek v3 is a state-of-the-art AI language model built on a Mixture-of-Experts (MoE) architecture, featuring 671 billion parameters, with 37 billion activated per token. Trained on 14.8 trillion high-quality tokens, it excels in various domains including complex reasoning, code generation, and multilingual tasks. Key features include a long context window of 128K tokens, multi-token prediction, and efficient inference, making it suitable for a wide range of applications from enterprise solutions to content creation.