langchain-zeroentropy
LangChain document compressor that reranks retrieved results using ZeroEntropy zerank models.
Installation
pip install langchain-zeroentropy
Usage
from langchain_zeroentropy import ZeroEntropyRerank
from langchain.retrievers import ContextualCompressionRetriever
compressor = ZeroEntropyRerank(model="zerank-1-small", top_n=3)
compression_retriever = ContextualCompressionRetriever(
base_compressor=compressor,
base_retriever=your_retriever,
)
docs = compression_retriever.invoke("what is the rebate on electronics?")
Set your API key via the ZEROENTROPY_API_KEY environment variable, or pass it directly:
compressor = ZeroEntropyRerank(api_key="ze-...", model="zerank-1-small", top_n=3)
Supported models
| Model | Notes |
|---|---|
zerank-1-small |
Fast, Apache-2.0 licensed |
zerank-1 |
Higher accuracy |
See the ZeroEntropy docs for the full model list and free-tier limits.
Parameters
| Parameter | Default | Description |
|---|---|---|
model |
zerank-1-small |
ZeroEntropy reranker model |
top_n |
3 |
Number of top documents to return |
api_key |
None |
API key (falls back to ZEROENTROPY_API_KEY env var) |
License
MIT
1 maintainer
Metadata
1 maintainer
Release files for langchain-zerank 0.1.0
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| langchain_zerank-0.1.0.tar.gz | 3.9 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| langchain_zerank-0.1.0-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 7.5 kB
Release files / langchain_zerank-0.1.0.tar.gz
| Download URL | langchain_zerank-0.1.0.tar.gz |
|---|---|
| Size | 3.9 kB |
| Tags | Source |
|
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Release files / langchain_zerank-0.1.0-py3-none-any.whl
| Download URL | langchain_zerank-0.1.0-py3-none-any.whl |
|---|---|
| Size | 3.6 kB |
| Tags | Python 3 |
|
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