# DeepSeek — 🚀 Introducing DeepInfer, our in-house inference framework, now fully open source!

- Company: DeepSeek (deepseek.com)
- Announced: 2026-10-20T09:30:19+00:00
- Category: developer-tool-release
- Coverage: 5 outlets
- Announcement: yes
- Group: covered
- Source: https://x.com/deepseek_ai/status/2112476496283775135
- Record: https://forck.live/items/25127-introducing-deepinfer-our-in-house-inference-framework-now-fully-open-source
- Open weights: yes
- Models affected: DeepSeek-V4.1-Flash

DeepSeek has open-sourced DeepInfer, its in-house inference framework, which powers DeepSeek-V4.1-Flash at scale with high throughput and low latency. The company says it is sharing its production stack so the community can lower compute costs, reduce energy use, and make AI more affordable. The framework is now fully open source, with DeepSeek pointing readers to a link for the code.

## Evidence

Verbatim from https://x.com/deepseek_ai/status/2112476496283775135:

> 🚀 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 affordable.

## Around this story

Outlets this record can name and link:

- Quartz: https://qz.com/deepseek-open-source-deepinfer-inference-software-ai-102026
- Crypto Briefing: https://cryptobriefing.com/deepseek-open-sources-deepinfer-ai-costs
- Crypto Briefing: https://cryptobriefing.com/deepseek-open-sources-deepinfer-inference-framework
- GitHub — GitHub - deepseek-ai/DeepInfer: DeepInfer: High-performance, large-scale inference framework for DeepSeek models: https://github.com/deepseek-ai/DeepInfer

## Follow-ups

- The New Stack (reported, 20 Oct): DeepSeek open-sources the inference engine behind its API. And Huawei gets equal billing with Nvidia. — https://forck.live/items/25263-deepseek-open-sources-the-inference-engine-behind-its-api-and-huawei-gets
- RuntimeWire (reported, 20 Oct): DeepSeek opens its inference engine, leaving service plumbing to developers — https://forck.live/items/25239-deepseek-opens-its-inference-engine-leaving-service-plumbing-to-developers

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Record: https://forck.live/items/25127-introducing-deepinfer-our-in-house-inference-framework-now-fully-open-source
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