DeepSeek releases V3.2-Exp experimental version: introducing sparse attention DSA to improve long text efficiency
On September 29, 2025, DeepSeek released the experimental version V3.2-Exp, which introduced DeepSeek Sparse Attention (DSA) to improve computing efficiency in long context scenarios, paving the way for efficiency optimization in subsequent official versions.
On September 29, 2025, DeepSeek released the experimental version
Picture: DeepSeek official website dialogue interface. V3.2-Exp was released on Hugging Face on September 29, 2025, and introduced DeepSeek Sparse Attention (DSA) for the first time. Its mechanism is derived from the results of the team's Native Sparse Attention paper published in February 2025.
Version overview
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