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Mini toolsBGE large v1.5
BGE large v1.5 is the flagship English model in the BGE v1.5 line. The docs list it at 335M parameters and 1.34 GB, and describe the v1.5 release as an update made to improve retrieval quality without instruction tuning while also making similarity scores more reasonable. For this large English variant specifically, the page explicitly says it offers better performance than v1 along with improved similarity distribution, making it the strongest English v1.5 option in this family.
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Gen 7
Overview
BGE large v1.5 is BAAI’s top English BGE v1.5 embedding model. It is the large-scale Sep-2023 update to bge-large-en, with the docs highlighting more reasonable similarity distribution and better performance than the original version.
About Beijing Academy of Artificial Intelligence (BAAI)
Beijing Academy of Artificial Intelligence (BAAI), also known as Zhiyuan Institute, is a Chinese non-profit AI research laboratory established in November 2018. BAAI conducts fundamental AI research, develops open-source models (including WuDao, BGE embeddings, Emu, and RoboBrain), and fosters collaboration between academia and industry. Known for creating the BGE (BAAI General Embedding) series of embedding models used in RAG systems worldwide.
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Last updated: April 16, 2026
