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new: add reranker example to readme #390

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15 changes: 15 additions & 0 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -137,6 +137,21 @@ embeddings = list(model.embed(images))
# ]
```

### 🔄 Rerankers
```python
from typing import List
from fastembed.rerank.cross_encoder import TextCrossEncoder

query = "Who is maintaining Qdrant?"
documents: List[str] = [
"This is built to be faster and lighter than other embedding libraries e.g. Transformers, Sentence-Transformers, etc.",
"fastembed is supported by and maintained by Qdrant.",
]
encoder = TextCrossEncoder(model_name="Xenova/ms-marco-MiniLM-L-6-v2")
scores = list(encoder.rerank(query, documents))

# [-11.48061752319336, 5.472434997558594]
```

## ⚡️ FastEmbed on a GPU

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