JetBrains’ Junie Local runs a coding agent fully offline on a 64 GB M5 Mac

On August 24, 2026, JetBrains shipped Junie Local, a free version of its coding agent that runs entirely on the machine, using a 4-bit Qwen3.6-27B model. The entry cost is steep — macOS 26, an M5 chip, and 64 GB of unified memory — but it is the first local agent with no assembly required.