MEITUAN / LONGCAT / 2026

LongCat-Flash-Lite

TOTAL69.07Bparameters

ACTIVE≈3Bper token

DEPTH14repeated blocks

HIDDEN3,072main trunk

CONTEXT327Knative tokens

CHECKPOINT138.19GB26 shards · MIT

FAMILY EVOLUTION

Flash-Lite69B · 14LLongCat-Nextany-to-anyLongCat-2.01.775T · DSA

INTERACTIVE SYSTEM BLUEPRINT

MODEL MRI

100K INPUT + 1K OUTPUT · 2.07P arithmetic FLOPs · click any module for evidence

VERIFIED ADAPTER

INPUT100.0KTEXT

TRANSFORMER STACK14 VERY-WIDE LAYERSMLA + shortcut-connected MoE in every block

Shortcut-Connected Residual

OUTPUT1.0KTOKENS

wraps every repeated block

DENSE MLA · ZERO-COMPUTATION EXPERTSrouter 可把 token 送入不执行 FFN 的 identity expert，动态控制计算深度。

LongCat MoE · 69.07B CAPACITY≈3B active · total capacity ≠ active compute

DEPTH14very shallow

HIDDEN3,072trunk

HEADS32MLA

EXPERTS256top-12

ZERO128identity

CONTEXT327Ktokens