---
title: "MEITUAN-W Open-Sources LongCat-2.0 Trillion-Parameter Large Model"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/291747630.md"
description: "MEITUAN-W+1.650 (+2.304%) Short selling $456.75M; Ratio 18.922% announced the official open-sourcing of its trillion-parameter large model LongCat-2.0, while simultaneously releasing inference code for domestic AI chips. LongCat-2.0 has total parameters of 1.6 trillion, with average activation of about 48 billion. The architecture introduces LongCat sparse attention and N-gram Embedding, improving long-context processing efficiency and token-level representation capability, while combining dynamic activation to further strengthen code understanding, generation and execution performance.(HK stocks quote is delayed for at least 15 mins.Short Selling Data as at 2026-07-03 16:25.)"
datetime: "2026-07-06T03:05:39.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/291747630.md)
  - [en](https://longbridge.com/en/news/291747630.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/291747630.md)
generator: "portal-rs"
---

# MEITUAN-W Open-Sources LongCat-2.0 Trillion-Parameter Large Model

MEITUAN-W (03690.HK) +1.650 (+2.304%) Short selling $456.75M; Ratio 18.922% announced the official open-sourcing of its trillion-parameter large model LongCat-2.0, while simultaneously releasing inference code for domestic AI chips.

LongCat-2.0 has total parameters of 1.6 trillion, with average activation of about 48 billion. The architecture introduces LongCat sparse attention and N-gram Embedding, improving long-context processing efficiency and token-level representation capability, while combining dynamic activation to further strengthen code understanding, generation and execution performance.  
(HK stocks quote is delayed for at least 15 mins.Short Selling Data as at 2026-07-03 16:25.)

### Related Stocks

- [MPNGY.US](https://longbridge.com/en/quote/MPNGY.US.md)
- [03690.HK](https://longbridge.com/en/quote/03690.HK.md)
- [83690.HK](https://longbridge.com/en/quote/83690.HK.md)
- [HMTD.SG](https://longbridge.com/en/quote/HMTD.SG.md)

## Related News & Research

- [JPM Upgrades MEITUAN-W  Issuer Rating to "Overweight", Says Worst Is Over](https://longbridge.com/en/news/298190334.md)
- [Meituan Food Delivery Launches Front-loaded Location Map and Store Environment Display Features for All Merchants](https://longbridge.com/en/news/298184052.md)
- [Sonic SVM and Manic Open-Source the Trader Intelligence Framework](https://longbridge.com/en/news/298643505.md)
- [Blognice: Open-Source, Privacy-First Blogging Platform for Managing Multiple Blogs](https://longbridge.com/en/news/298477589.md)
- [M Stanley Keeps Overweight on MEITUAN-W, Sees Bright Prospects for In-store Other Biz](https://longbridge.com/en/news/298671199.md)

---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**