Mellum2-12B-A2.5B-Base news

Introducing Mellum2: A 12B Mixture-of-Experts Model by JetBrains

Mellum2 Technical Report

arXiv:2605.31268v1 Announce Type: new Abstract: We present Mellum 2, an open-weight 12B-parameter Mixture-of-Experts (MoE) language model with 2.5B active parameters per token. Mellum 2 is a general-purpose language model specialized in software engineering, spanning code generation and editing, deb