Hugging Face published a blog post on Mixture of Experts (MoEs) in Transformers on February 26, 2026. Aritra Roy Gosthipaty, Pedro Cuenca, Merve, Ilyas Moutawwakil, Arthur Zucker, Sergio Paniego, and Pablo Montalvo authored the piece. It covers MoE architecture, weight loading refactoring with a generic WeightConverter, dynamic weight loading, benchmark improvements, quantization, expert parallelism, and training, referencing ULMFiT and GPT-2 as historical context.
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