Supercharge your tools with AI-powered features inside many JetBrains products News ReleasesMellum2 Goes Open Source: A Fast Model for AI Workflows Trained from scratch and designed for practical deployment, Mellum2 is built for routing, Q&A, sub-agents, and private AI use in software engineering systems. Today, we’re open-sourcing Mellum2, a 12B model engineered to solve the hardest parts of production AI: latency, throughput, and cost. Built from scratch and released under the Apache 2.0 licen...