Active2 developments · 2 sources · over 4 daysJetBrains Releases Mellum2: Efficient 12B MoE ModelHow it developedJune 1, 2026Hugging Face BlogWhere it startedJetBrains Releases Mellum2: Efficient 12B MoE ModelJune 5, 2026Lev SelectorJetBrains Releases Mellum2 12B MoE Open-source