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[ARTICLE · art-19375] src=thenewstack.io ↗ pub= topic=artificial-intelligence verified=true sentiment=↑ positive

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

JetBrains open-sourced Mellum2, a 12-billion-parameter coding model, on Monday to target the infrastructure layer of agentic AI. The model is designed for tasks where tools like Claude Code fall short, expanding the capabilities of AI-driven software development.

read1 min views36 publishedJun 1, 2026

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.

source & further reading
thenewstack.io — original article Hermes, Claude Code, and Codex ran an identical model. Token use varied 70-fold AI agents are making retrieval engineering a core engineering discipline The 3 roles AI agents play in your developer platform
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