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Radient turns many data types (not just text) into vectors for similarity search, RAG, regression analysis, and more.

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Radient

Radient is a developer-friendly, lightweight library for vectorization, i.e. turning data into embeddings. Radient supports simple vectorization as well as complex vector-centric workflows.

$ pip install radient

Why Radient?

In applications that leverage RAG, vector databases are commonly used as a way to retrieve relevant content that is relevant to the query. It's become so popular that "traditional" database vendors are rushing to support vector search. (Anybody see those funky Singlestore ads on US-101?)

Although still predominantly used for text today, vectors will be used extensively across a variety of different modalities in the upcoming months. This evolution is being powered by two independent occurrences: 1) the shift from large language models to large multimodal models (such as GPT-4o, Reka, and Fuyu), and 2) the rise in adoption for "traditional" tasks such as recommendation and semantic search. In short, vectors are going mainstream, and we need a way to vectorize everything, not just text.

If you find this project helpful or interesting, please consider giving it a star. ⭐

Getting started

Basic vectorization can be performed as follows:

from radient import text_vectorizer
vz = text_vectorizer()
vz.vectorize("Hello, world!")  # Vector([-3.21440510e-02, -5.10351397e-02,  3.69579718e-02, ...])

The above snippet vectorizes the string "Hello, world!" using a default model, namely bge-small-en-v1.5 from sentence-transformers. If your Python environment does not contain the sentence-transformers library, Radient will prompt you for it:

vz = text_vectorizer()  # Vectorizer requires sentence-transformers. Install? [Y/n]

You can type "Y" to have Radient install it for you automatically.

Each vectorizer can take a method parameter along with optional keyword arguments which get passed directly to the underlying vectorization library. For example, we can pick Mixbread AI's mxbai-embed-large-v1 model using the sentence-transformers library via:

vz_mbai = text_vectorizer(method="sentence-transformers", model_name_or_path="mixedbread-ai/mxbai-embed-large-v1")
vz_mbai.vectorize("Hello, world!")  # Vector([ 0.01729078,  0.04468533,  0.00055427, ...])

More than just text

With Radient, you're not limited to text. Audio, graphs, images, and molecules can be vectorized as well:

from radient import (
    audio_vectorizer,
    graph_vectorizer,
    image_vectorizer,
    molecule_vectorizer,
)
avec = audio_vectorizer().vectorize(str(Path.home() / "audio.wav"))
gvec = graph_vectorizer().vectorize(nx.karate_club_graph())
ivec = image_vectorizer().vectorize(str(Path.home() / "image.jpg"))
mvec = molecule_vectorizer().vectorize("O=C=O")

A partial list of methods and optional kwargs supported by each modality can be found here.

For production use cases with large quantities of data, performance is key. Radient also provides an accelerate function to optimize vectorizers on-the-fly:

import numpy as np
vz = text_vectorizer()
vec0 = vz.vectorize("Hello, world!")
vz.accelerate()
vec1 = vz.vectorize("Hello, world!")
np.allclose(vec0, vec1)  # True

On a 2.3 GHz Quad-Core Intel Core i7, the original vectorizer returns in ~32ms, while the accelerated vectorizer returns in ~17ms.

Building unstructured data ETL

Aside from running experiments, pure vectorization is not particularly useful. Mirroring strutured data ETL pipelines, unstructured data ETL workloads often require a combination of four components:

  • A data source (or a data reader) for extracting unstructured data,
  • One or more transform modules such as video demuxing or OCR,
  • A vectorizer or set of vectorizers for turning the data into embeddings, and
  • A place to store the vectors once they have been computed.

Radient provides a Workflow object specifically for building vector-centric ETL applications. With Workflows, you can combine any number of each of these components into a directed graph. For example, a workflow to continuously read text documents from Google Drive and vectorize them into Milvus might look like:

from radient import make_operator
from radient import Workflow

extract = make_operator(optype="source", method="google-drive", task_params={"folder": "My Files"})
transform = make_operator(optype="transform", method="read-text", task_params={})
vectorize = make_operator(optype="vectorizer", method="voyage-ai", modality="text", task_params={})
load = make_operator(optype="sink", method="milvus", task_params={"operation": "insert"})

wf = (
    Workflow()
    .add(extract, name="extract")
    .add(transform, name="transform")
    .add(vectorize, name="vectorize")
    .add(load, name="load")
)

You can use accelerated vectorizers and transforms in a Workflow by specifying accelerate=True for all supported tasks.

Supported libraries

Radient builds atop work from the broader ML community. Most vectorizers come from other libraries:

On-the-fly model acceleartion is done via ONNX.

A massive thank you to all the creators and maintainers of these libraries.

Coming soon™

A couple of features slated for the near-term (hopefully):

  1. Sparse vector, binary vector, and multi-vector support
  2. Support for all relevant embedding models on Huggingface

LLM connectors will not be a feature that Radient provides. Building context-aware systems around LLMs is a complex task, and not one that Radient intends to solve. Projects such as Haystack and Llamaindex are two of the many great options to consider if you're looking to extract maximum RAG performance.

Full write-up on Radient will come later, along with more sample applications, so stay tuned.

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