Qwen3-Embedding-4B Name in the API Qwen/Qwen3-Embedding-4B Base model Qwen/Qwen3-Embedding-4B Type Embeddings Input → output text → vector with 2,560 dimensions Context length 40,960 tokens per input Availability Dedicated Hardware A 24 GB slice of a GPU per instance Endpoint /v1/embeddings Example Embeddings and text similarity Notes For search, the model authors recommend adding a one-sentence task description to the queries (not to the documents), for example Instruct: Given a web search query, retrieve relevant passages that answer the query\nQuery: <your query>.