# JetBrains open-sources Mellum2 to go where Claude Code can’t

> Source: <https://thenewstack.io/jetbrains-mellum2-open-source-coding-model/>
> Published: 2026-06-01 20:47:26+00:00

JetBrains announced on Monday it has open-sourced Mellum2, a 12B-parameter coding model aimed at the infrastructure layer of agentic AI

The post JetBrains open-sources Mellum2 to go where Claude Code can’t appeared first on The New Stack.