SiliconFlow
DeepSeek's first-party API documentation announces DeepSeek-V3.2-Exp as an experimental model built on V3.1-Terminus, debuting DeepSeek Sparse Attention (DSA) for fine-grained sparse attention that improves long-context training and inference efficiency. According to the page, benchmarks show V3.2-Exp performing on par The announcement also lists open-source release artifacts including the Hugging Face model, the technical report PDF on GitHub, and key GPU kernels implemented in TileLang and CUDA. For comparison testing, DeepSeek states that V3.1-Terminus remains accessible via a temporary API endpoint until October 15, 2025 at 15:59