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The Deploy Log | Models and APIs

Mellum2

JetBrains released Mellum2, a 12B-parameter Mixture-of-Experts model that activates only 2.5B parameters per token and delivers more than 2x faster inference than similar-sized models under the Apache 2.0 license.

Hugging Face | In Edition 37, Saturday 6 Jun 2026

SOURCE Hugging Face, Introducing Mellum2: A 12B Mixture-of-Experts Model by JetBrains

Added to The Deploy Log Monday 14 Sep 2026, updated Thursday 17 Sep 2026. Read Edition 37, the edition that carried it.

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