LongCat 2.0 Open-Sourced: 1.6T Param MoE with ~48B Active

eliebakouch · x · 2026-07-05

LongCat 2.0 (1.6T total parameters, 48B active) weights are open-sourced under the MIT license. Compared to the previous generation, it maintains the same attention shape while reducing zero communication experts from 256 to 128, and is equipped with 135B embedding parameters and an n-gram mechanism.

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