Kuaishou Proposes FLEXRec for Efficient Compact LLM Recommendations
_reachsumit · x · 2026-08-19
Kuaishou introduces FLEXRec, a framework to enhance compact LLM-based recommender systems. It inserts prediction heads at multiple transformer layers and uses an adaptive router (AC-Router) to dynamically select and fuse layer outputs, improving accuracy while retaining efficient full-corpus ranking. Experiments with Qwen 1.7B and Llama 3.2 3B show SOTA results among compact-backbone methods.
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