---
title: meituan-longcat/LongCat-2.5-W4A4
url: https://recentmodel.com/models/meituan-longcat/LongCat-2.5-W4A4/
status: archived · low-signal
published: 2026-11-04T13:50:12Z
updated: 2026-11-13T12:34:56Z
source: https://huggingface.co/meituan-longcat/LongCat-2.5-W4A4
---

# meituan-longcat/LongCat-2.5-W4A4

LongCat-2.5 is a native multimodal MoE model for long-horizon agentic tasks, with 1.6 trillion total parameters and approximately 48 billion activated per token. Mixture-of-experts, 495B total (768 experts). Context: 512K tokens (config). License: mit.


- **Org:** meituan-longcat
- **Released:** 2026-11-04
- **Status:** archived · low-signal
- **License:** mit (permissive)
- **Parameters:** 494.8B
- **Architecture:** MoE · 768 experts, None/token · LongcatCausalLM
- **Context:** 524,288 tokens (config.json)
- **Task:** image-text-to-text · vision
- **Signal:** 3 HF likes · 240 downloads
- **Archived:** 2026-11-13 (no longer listed by the collector; stats as last seen)

## Runs on

estimate from params; sizing calculation, not tested.

- Q4 ~340.0 GB (estimated): Mac 512GB
- Q8 ~568.9 GB (estimated): no listed device
- FP16 ~1032.8 GB (estimated): no listed device

## Links

- [Hugging Face](https://huggingface.co/meituan-longcat/LongCat-2.5-W4A4)