JetBrains has launched Mellum2.1, a state-of-the-art mixture-of-experts (MoE) model featuring 12 billion parameters, with 2.5 billion active at any given time. This model represents a significant advancement in AI for coding agents, optimizing performance in software engineering tasks.
The introduction of Mellum2.1 follows a remarkable improvement in its SWE-bench Verified score, which increased from 2.0 to 47.0 through reinforcement learning in real-world repositories. This leap in performance highlights the model’s potential to streamline coding processes and enhance productivity for developers.
As the demand for efficient coding solutions grows, Mellum2.1 positions JetBrains at the forefront of AI applications in software development, promising to transform how coding tasks are approached and executed.
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