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Mellum2.1 Gets to Work: A Fast Open Model for Coding Agents

Mellum releases Mellum2.1, an open 12B mixture-of-experts model designed for coding agents and fast sub-agents running on local hardware. It uses the same architecture as version 2, with 2.5B active parameters, and is trained with reinforcement learning in real environments.

Image: JetBrains Blog

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  1. JetBrains Blog

    Mellum2.1 Gets to Work: A Fast Open Model for Coding Agents

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