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Wed 05 Aug 06:16 UTC
Libraries
Package guides written the honest way, including who should skip them.
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npm
PyPI
AI / ML
PyPI · 166.5M/wk
litellm
An open source AI gateway that gives you one OpenAI-format interface to 100+ LLM providers (OpenAI, Anthropic, Gemini, Bedrock, Azure, and more).
Score 4.3/5
AI / ML
PyPI · 107.8M/wk
openai
openai is the official Python SDK for the OpenAI REST API, generated from the OpenAPI specification with Stainless.
Score 4.3/5
AI / ML
PyPI · 63.7M/wk
langchain
LangChain is the most widely used Python framework for building LLM applications and agents (this page covers the PyPI package named langchain; there is a separate npm...
Score 3.8/5
AI / ML
PyPI · 54.8M/wk
scikit-learn
scikit-learn is the standard Python library for classical machine learning: classification, regression, clustering, and dimensionality reduction on tabular, in-memory...
Score 5/5
AI / ML
PyPI · 47.8M/wk
anthropic
The official Python SDK for Anthropic's Claude API.
Score 4/5
AI / ML
PyPI · 47.2M/wk
transformers
Hugging Face's model-definition library: the standard way to download, run, and fine-tune pretrained models for text, vision, audio, video, and multimodal tasks in PyT...
Score 4.5/5
AI / ML
PyPI · 22.2M/wk
torch
PyTorch is the dominant deep learning framework for Python: a tensor library with NumPy-like operations that run on GPUs, tape-based automatic differentiation, the tor...
Score 4.5/5
AI / ML
PyPI · 13.5M/wk
opencv-python
opencv-python packages the OpenCV C++ computer vision library as pre-built, CPU-only Python wheels, so pip install works without compiling anything.
Score 4/5
AI / ML
PyPI · 10.8M/wk
xgboost
XGBoost is a gradient-boosted decision tree library: a C++ core with Python bindings that trains ensembles of trees for classification, regression and ranking.
Score 4.5/5
AI / ML
PyPI · 7.3M/wk
sentence-transformers
sentence-transformers (also known as SBERT) is the standard Python framework for running and training text embedding models locally.
Score 4.5/5
AI / ML
PyPI · 4.7M/wk
tensorflow
TensorFlow is Google's end-to-end machine learning framework: tensors and autodiff at the bottom, the Keras API for building and training models on top, and a deployme...
Score 4/5
AI / ML
PyPI · 3.1M/wk
chromadb
Chroma is an open source vector database for embedding-based retrieval, pitched as search infrastructure for AI.
Score 4/5
AI / ML
PyPI · 1.7M/wk
llama-index
LlamaIndex is a Python framework for building LLM applications over your own data, with retrieval-augmented generation as its core competency.
Score 3.8/5