PyTorch is an open-source machine learning library developed by Facebook's AI Research lab, widely used for applications in deep learning and neural networks. It offers developers a flexible and dynamic computational graph that allows them to change network behaviors on-the-fly, which is particularly beneficial for tasks requiring variable input sizes or structures. PyTorch is favored for its intuitive Pythonic interface, making it easier for developers to integrate with other libraries and frameworks. Its seamless interoperability with NumPy and GPU acceleration through CUDA support facilitates building, training, and deploying complex models efficiently. PyTorch's active community and comprehensive documentation help streamline the development process, making it a go-to choice for research and production environments alike. Whether you're working on vision, language, or reinforcement learning tasks, PyTorch provides robust tools and a user-friendly environment for crafting innovative AI solutions.
View the most prominent open source PyTorch projects in the list below. Click on a specific project to view its alternative or complementary packages. Make comparisons and find the best package for your app.
- Stable Diffusion web UI☆164,015Mar 2, 2026Updated 4 months ago
- 🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal model…☆162,403Updated this week
- The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface.☆119,865Updated this week
- Implement a ChatGPT-like LLM in PyTorch from scratch, step by step☆98,781Jun 2, 2026Updated last month
- A high-throughput and memory-efficient inference and serving engine for LLMs☆85,665Updated this week
- 🧑🏫 60+ Implementations/tutorials of deep learning papers with side-by-side notes 📝; including transformers (original, xl, switch, fee…☆67,068Jan 22, 2026Updated 5 months ago
- Deep Learning for humans☆64,155Jul 1, 2026Updated last week
- Clone a voice in 5 seconds to generate arbitrary speech in real-time☆59,994Mar 9, 2026Updated 4 months ago
- Ultralytics YOLOv5 in PyTorch > ONNX > CoreML > TFLite☆57,658Updated this week
- Ultralytics YOLO26, YOLO11, YOLOv8 — object detection, instance segmentation, semantic segmentation, image classification, pose estimatio…☆59,125Jul 5, 2026Updated last week
- Learn how to develop, deploy and iterate on production-grade ML applications.☆48,525Mar 4, 2026Updated 4 months ago
- 🐸💬 - a deep learning toolkit for Text-to-Speech, battle-tested in research and production☆45,705Aug 16, 2024Updated last year
- Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.☆43,186Updated this week
- DeepSpeed is a deep learning optimization library that makes distributed training and inference easy, efficient, and effective.☆42,685Updated this week
- We write your reusable computer vision tools. 💜☆46,845Updated this week
- GFPGAN aims at developing Practical Algorithms for Real-world Face Restoration.☆37,513Jul 26, 2024Updated last year
- 🚀Clone a voice in 5 seconds to generate arbitrary speech in real-time☆36,916Mar 3, 2026Updated 4 months ago
- The largest collection of PyTorch image encoders / backbones. Including train, eval, inference, export scripts, and pretrained weights --…☆36,958Jul 4, 2026Updated last week
- Real-ESRGAN aims at developing Practical Algorithms for General Image/Video Restoration.☆36,046Aug 6, 2024Updated last year
- 🤗 Diffusers: State-of-the-art diffusion models for image, video, and audio generation in PyTorch.☆34,021Updated this week
- Visualizer for neural network, deep learning and machine learning models☆33,185Updated this week
- OpenMMLab Detection Toolbox and Benchmark☆32,798Aug 21, 2024Updated last year
- PyTorch Tutorial for Deep Learning Researchers☆32,407Aug 15, 2023Updated 2 years ago
- Facebook AI Research Sequence-to-Sequence Toolkit written in Python.☆32,237Sep 30, 2025Updated 9 months ago
- Pretrain, finetune ANY AI model of ANY size on 1 or 10,000+ GPUs with zero code changes.☆31,218Jul 2, 2026Updated last week
- Ready-to-use OCR with 80+ supported languages and all popular writing scripts including Latin, Chinese, Arabic, Devanagari, Cyrillic and …☆29,722Dec 5, 2025Updated 7 months ago
- Interactive deep learning book with multi-framework code, math, and discussions. Adopted at 500 universities from 70 countries including …☆29,109Aug 18, 2024Updated last year
- State-of-the-art 2D and 3D Face Analysis Project☆29,178May 23, 2026Updated last month
- SoftVC VITS Singing Voice Conversion☆28,135Nov 11, 2023Updated 2 years ago
- The fastai deep learning library☆28,075Updated this week
- deep learning for image processing including classification and object-detection etc.☆26,295Jan 1, 2026Updated 6 months ago
- Image-to-Image Translation in PyTorch☆25,183Aug 6, 2025Updated 11 months ago
- Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and a…☆25,836Updated this week
- JARVIS, a system to connect LLMs with ML community. Paper: https://arxiv.org/pdf/2303.17580.pdf☆25,033Jul 29, 2025Updated 11 months ago
- GUI for a Vocal Remover that uses Deep Neural Networks.☆25,327Mar 13, 2025Updated last year
- Graph Neural Network Library for PyTorch☆23,880Jun 19, 2026Updated 3 weeks ago
- 🏆 A ranked list of awesome machine learning Python libraries. Updated weekly.☆23,655Jul 2, 2026Updated last week
- ncnn is a high-performance neural network inference framework optimized for the mobile platform☆23,485Jul 3, 2026Updated last week
- Image inpainting tool powered by SOTA AI Model. Remove any unwanted object, defect, people from your pictures or erase and replace(powere…☆23,293Apr 29, 2025Updated last year
- pytorch handbook是一本开源的书籍，目标是帮助那些希望和使用PyTorch进行深度学习开发和研究的朋友快速入门，其中包含的Pytorch教程全部通过测试保证可以成功运行☆21,663Jul 25, 2024Updated last year