Qwen3-Embedding-4B

Qwen3-Embedding-4B is the latest proprietary model in the Qwen3 Embedding series, specifically designed for text embedding and ranking tasks. Built upon the dense foundational models of the Qwen3 series, this 4B parameter model supports context lengths up to 32K and can generate embeddings with dimensions up to 2560. The model inherits exceptional multilingual capabilities supporting over 100 languages, along with long-text understanding and reasoning skills. It achieves excellent performance on the MTEB multilingual leaderboard (score 69.45) and demonstrates outstanding results across various tasks including text retrieval, code retrieval, text classification, clustering, and bitext mining. The model offers flexible vector dimensions (32 to 2560) and instruction-aware capabilities for enhanced performance in specific tasks and scenarios, providing an optimal balance between efficiency and effectiveness