---
format: "aidr-story-markdown/v1"
id: "34de9d80d81453d365b2c336c0d6deffc6573f103d39937a2e29a144ab2f7dd6"
canonical_url: "https://aidr.today/34de9d80?lang=en"
title: "Show HN: DeepSeek V3 in ~200 lines of pure Jax"
lang: "en"
requested_lang: "en"
available_langs: ["en","vi"]
translation_fallback: null
fallback_fields: []
published_at: "2026-11-14T15:04:15.000Z"
category: "Open Source"
topics: ["deepseek","llm","open-source"]
source_urls: ["https://github.com/Vaibhaav-Tiwari/deepseek-v3-jax","https://news.ycombinator.com/item?id=50497589"]
summary: "DeepSeek V3 features MLA, DeepSeekMoE, aux-loss-free balancing, and MTP. It is in 190 lines of pure JAX and was trained on a MacBook Air."
---

# Show HN: DeepSeek V3 in \~200 lines of pure Jax

> [Open the canonical story](<https://aidr.today/34de9d80?lang=en>)

**Published:** 2026-11-14T15:04:15.000Z
**Category:** Open Source
**Topics:** deepseek, llm, open\-source

## Summary

DeepSeek V3 features MLA, DeepSeekMoE, aux\-loss\-free balancing, and MTP\. It is in 190 lines of pure JAX and was trained on a MacBook Air\.

## Sources

- [Story source](<https://github.com/Vaibhaav-Tiwari/deepseek-v3-jax>)
- [Discussion](<https://news.ycombinator.com/item?id=50497589>)