How We Optimized Qwen 3.6 for Junie | Jetbrains Coding Agent

Agentic AIHow We Optimized the Qwen 3.6 Model for Our Junie Agent

A while ago, we launched a long-term project to enable users to run Junie entirely locally, with local inference, across a wide variety of hardware setups. After much anticipation, we recently released an initial version of Junie Local that works on a MacBook M5 with Qwen3.6-27B.

In this blog post, I will share what it took to make it work and why we chose to release it on Qwen3.6-27B rather than Qwen3.8-27B. We made optimizations across the whole stack, from the Junie agent itself to our chosen inference engine.

Let’s start with Junie – after all, this is where you will begin interacting with the local model.

Junie optimizations