Data Party THU

Jan 27, 2026 · Artificial Intelligence

Which Retrieval Embedding Loss Works Best? Comparing Pairwise Cosine, Triplet Margin, and InfoNCE

Even as Agentic RAG evolves, the quality of the underlying retrieval embedding model remains crucial, and this article compares three training losses—pairwise cosine embedding, triplet margin, and InfoNCE—detailing their inputs, formulas, and practical trade‑offs.