Audience
AI researchers, developers, and enterprises seeking an open, high-performance language model for advanced reasoning, agent workflows, and long-context problem solving
About DeepSeek-V4
DeepSeek-V4 is a next-generation open large language model built for efficient reasoning, complex problem solving, and advanced agentic behavior. It introduces DeepSeek Sparse Attention (DSA), a long-context attention mechanism that significantly reduces computational overhead while maintaining strong performance. The model is trained using a scalable reinforcement learning framework to achieve results competitive with leading frontier models. It also incorporates a large-scale agent task synthesis pipeline to generate structured reasoning and tool-use demonstrations during post-training. An updated chat template includes enhanced tool-calling logic and an optional developer role to support agent workflows. DeepSeek-V4 delivers elite reasoning performance across both research and applied AI use cases.