DeepSeek Open-Sources DeepInfer, an Offline Inference Engine for Enterprise Hardware

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DeepSeek has released DeepInfer, an open-source offline inference engine, with its README stating plainly that it is neither a hosted API nor a model itself. The engine is licensed under Apache 2.0, with model weights under MIT, and targets Nvidia SM100 GPUs and Huawei Ascend 950 NPUs for DeepSeek V4.1 Flash. Its feature set includes wide expert parallelism, D-Spark speculative decoding reported to add 4-7% throughput, sliding window cache replay, and structured output support. Analysts note that it is aimed at enterprise-grade hardware rather than consumer GPUs, and that it omits key production components such as a KV cache system, prefill-decode disaggregation, and cluster-level load balancing.

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