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bge-small-en-v1.5

BAAI/bge-small-en-v1.5

A compact, high-quality English embedding model that punches well above its size. The go-to for cheap, fast retrieval embeddings.

price
$0.008
/ 1M tokens
API providers
0
throughput
193 embeds/s
license
mit

about this model

Overview

BAAI/bge-small-en-v1.5 is a dense embedding model for English text, part of the BGE (BAAI General Embedding) series. It is designed for retrieval tasks such as semantic search and passage ranking. As a version 1.5 model, it features a more reasonable similarity distribution and enhanced retrieval ability without requiring an instruction prefix. For search use cases, the recommended query instruction is: Represent this sentence for searching relevant passages: .

Key Strengths

  • Small-scale architecture delivering competitive performance relative to models of similar size.
  • Improved similarity distribution and retrieval capability compared to the original v1 release.
  • Optimized for low-latency, high-throughput embedding generation.

Best For

  • English text embedding for search, document retrieval, and semantic similarity.
  • Scenarios where model footprint and inference speed are critical.

Model Specifications

Property Value
Language English
Model Size Small
Version v1.5
Task Embedding / Dense Retrieval
call it
# OpenAI client - just change base_url
from openai import OpenAI
client = OpenAI(base_url="https://gigarouter.ai/v1", api_key=KEY)
v = client.embeddings.create(model="BAAI/bge-small-en-v1.5", input=["hello world"])
print(v.data[0].embedding[:4])