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Top Python LLM Libraries 2025

GitHub Libraries → Python → LLM Libraries
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huggingface/transformers 143K +652

added 1 month ago

State-of-the-art Machine Learning for JAX, PyTorch and TensorFlow

Python AI / ML Libraries LLM Libraries

langchain-ai/langchain 105K +838

added 1 month ago

LangChain is a framework for developing applications powered by large language models (LLMs).

Python AI / ML Libraries LLM Libraries

langgenius/dify 92K +3145

added 1 month ago

Dify is an open-source LLM app development platform. Dify's intuitive interface combines AI workflow, RAG pipeline, agent capabilities, model management, observability features and more, letting you quickly go from prototype to production.

JavaScript AI / ML Libraries LLM Libraries Python AI / ML Libraries LLM Libraries

langflow-ai/langflow 55K +1136

added 1 month ago

Langflow is a low-code app builder for RAG and multi-agent AI applications. It’s Python-based and agnostic to any model, API, or database.

Python AI / ML Libraries LLM Libraries

geekan/metagpt 54K +496

added 1 month ago

Assign different roles to GPTs to form a collaborative entity for complex tasks.

Python AI / ML Libraries LLM Libraries

all-hands-ai/openhands 52K +541

added 1 month ago

Code less, make more. Use AI to tackle the toil in your backlog, so you can focus on what matters: hard problems, creative challenges, and over-engineering your dotfiles.

Python AI / ML Libraries LLM Libraries

hiyouga/llama-factory 47K +962

added 1 month ago

Easily fine-tune 100+ large language models with zero-code CLI and Web UI

Python LLM Libraries AI / ML Libraries

vllm-project/vllm 45K +1594

added 1 month ago

A high-throughput and memory-efficient inference and serving engine for LLMs

Python LLM Libraries AI / ML Libraries

unclecode/crawl4ai 39K +2447

added 1 month ago

Crawl4AI: Open-source LLM Friendly Web Crawler & Scraper.

Python Web Scrapers AI / ML Libraries LLM Libraries Web Automation Libraries

unslothai/unsloth 37K +646

added 1 month ago

Easily finetune and train LLMs 2x faster and with 80% less memory!

Python AI / ML Libraries LLM Libraries

facebookresearch/faiss 34K +246

added 1 month ago

A library for efficient similarity search and clustering of dense vectors. Faiss is written in C++ with complete wrappers for Python/numpy

C/C++ AI / ML Libraries LLM Libraries Search Libraries Python AI / ML Libraries LLM Libraries Search Libraries

crewaiinc/crewai 30K +679

added 3 weeks ago

CrewAI is a lean, lightning-fast Python AI framework built entirely from scratch—completely independent of LangChain or other agent frameworks.

Python AI / ML Libraries LLM Libraries

lightning-ai/pytorch-lightning 29K +70

added 1 month ago

Pretrain, finetune ANY AI model of ANY size on multiple GPUs, TPUs with zero code changes.

Python LLM Libraries AI / ML Libraries

mindsdb/mindsdb 27K +123

added 1 month ago

MindsDB is a federated query engine that organizes messy enterprise data and delivers precise AI-driven answers. Think of it as a librarian Marie Kondo.

Python Data Platforms AI / ML Libraries LLM Libraries

mem0ai/mem0 27K +432

added 1 month ago

Mem0 adds an intelligent memory layer to AI assistants, enabling personalized interactions by remembering user preferences and continuously adapting. It’s perfect for customer support chatbots, AI assistants, and autonomous systems.

Python LLM Libraries AI / ML Libraries

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