JetBrains Programming AI Model Mellum2.1 Released: High-Load Inference Throughput Nearly Twice That of Qwen3.5-9B
JetBrains published a blog post yesterday (October 8) announcing the launch of the Mellum2.1 model, focusing on enhanced agent programming capabilities. The model continues Mellum2's 12B mixture-of-experts architecture with 2.5B active parameters and remains under the Apache 2.0 license.
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