Xiaohongshu Tech REDtech

Jul 24, 2026 · Artificial Intelligence

UniNote: Unifying Multimodal Representation and Ranking in a Single Embedding Model

UniNote introduces a unified multimodal embedding model that combines representation learning and ranking optimization in a single forward pass, using a two‑stage SFT‑then‑RL training paradigm and Matryoshka Representation Learning to achieve competitive Item‑to‑Item retrieval performance while reducing latency.