Mixture-of-Experts Language Models Can Be Strong and Efficient Retrievers

arXiv:2609.13486 · cs.IR, cs.CL · Submitted 2026-09-11 · Read on arXiv

cs.IR, cs.CL

Submitted: 2026-09-11

Updated: 2026-09-11

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Fine-Tuning — 1× in this paper · explained in 5 episodes
• Generative Model — 1× in this paper · explained in 2 episodes
• Generative Models — 1× in this paper · explained in 2 episodes
• Large Language Models (LLMs) — 1× in this paper · explained in 6 episodes
• Mixture-of-Experts (MoE) — 1× in this paper · explained in 7 episodes

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