DeepSeek has open-sourced the inference engine it uses to serve its models in production, a step it said last year wasn’t yet practical.
Dubbed DeepInfer, the framework is designed to let developers run DeepSeek’s V4.1 Flash model on their own infrastructure, with many of the same optimizations the company uses behind its API. Support for future DeepSeek models is also planned.
DeepSeek has, of course, long made its model weights available for developers to download and run using third-party software such as vLLM. But running a model efficiently is a different matter altogether. The software that manages requests, distributes work across chips, and generates responses can have a significant impact on speed, throughput and computing costs. And so DeepInfer essentially gives developers access to DeepSeek’s own approach to those challenges.
“We’re sharing our production stack to help the community lower compute costs, reduce energy use, and make AI more affordable.”
Taking to X on Tuesday, DeepSeek said it was making its internal inference technology available to outside developers in an effort to bring down the expense of running large AI models.
“We’re sharing our production stack to help the community lower compute costs, reduce energy use, and make AI more affordable,” the company writes.
🚀 Introducing DeepInfer, our in-house inference framework, now fully open source!
Powering DeepSeek-V4.1-Flash at scale with high throughput and low latency. We’re sharing our production stack to help the community lower compute costs, reduce energy use, and make AI more…
0 license , DeepInfer includes optimized computing kernels and communication libraries, including DeepSeek’s previously open-sourced FlashMLA , DeepGEMM , and DeepEP , alongside mechanisms for distributing inference across multiple chips.
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