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☆164,594Mar 2, 2026Updated 5 months ago
- 🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal model…☆164,276Updated this week
- The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface.☆128,604Updated this week
- Implement a ChatGPT-like LLM in PyTorch from scratch, step by step☆103,093Aug 10, 2026Updated last week
- A high-throughput and memory-efficient inference and serving engine for LLMs☆89,541Updated this week
- 🧑🏫 60+ Implementations/tutorials of deep learning papers with side-by-side notes 📝; including transformers (original, xl, switch, fee…☆67,322Jan 22, 2026Updated 6 months ago
- Deep Learning for humans☆64,240Updated this week
- Clone a voice in 5 seconds to generate arbitrary speech in real-time☆60,090Mar 9, 2026Updated 5 months ago
- Ultralytics YOLO26, YOLO11, YOLOv8 — object detection, instance segmentation, semantic segmentation, image classification, pose estimatio…☆60,798Updated this week
- Ultralytics YOLOv5 in PyTorch for object detection, instance segmentation, classification, training, and export.☆57,907Updated this week
- Learn how to develop, deploy and iterate on production-grade ML applications.☆49,166Mar 4, 2026Updated 5 months ago
- We write your reusable computer vision tools. 💜☆49,584Updated this week
- 🐸💬 - a deep learning toolkit for Text-to-Speech, battle-tested in research and production☆45,922Aug 16, 2024Updated 2 years ago
- Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.☆43,568Updated this week
- DeepSpeed is a deep learning optimization library that makes distributed training and inference easy, efficient, and effective.☆42,969Updated this week
- GFPGAN aims at developing Practical Algorithms for Real-world Face Restoration.☆37,656Jul 26, 2024Updated 2 years ago
- The largest collection of PyTorch image encoders / backbones. Including train, eval, inference, export scripts, and pretrained weights --…☆37,076Aug 11, 2026Updated last week
- 🚀Clone a voice in 5 seconds to generate arbitrary speech in real-time☆36,911Mar 3, 2026Updated 5 months ago
- Real-ESRGAN aims at developing Practical Algorithms for General Image/Video Restoration.☆36,527Aug 6, 2024Updated 2 years ago
- 🤗 Diffusers: State-of-the-art diffusion models for image, video, and audio generation in PyTorch.☆34,346Updated this week
- VoxCPM2: Tokenizer-Free TTS for Multilingual Speech Generation, Creative Voice Design, and True-to-Life Cloning☆35,926Aug 12, 2026Updated last week
- Visualizer for neural network, deep learning and machine learning models☆33,370Updated this week
- OpenMMLab Detection Toolbox and Benchmark☆32,885Aug 21, 2024Updated 2 years ago
- PyTorch Tutorial for Deep Learning Researchers☆32,461Aug 15, 2023Updated 3 years ago
- Facebook AI Research Sequence-to-Sequence Toolkit written in Python.☆32,234Sep 30, 2025Updated 10 months ago
- Pretrain, finetune ANY AI model of ANY size on 1 or 10,000+ GPUs with zero code changes.☆31,296Aug 9, 2026Updated last week
- Ready-to-use OCR with 80+ supported languages and all popular writing scripts including Latin, Chinese, Arabic, Devanagari, Cyrillic and …☆29,922Dec 5, 2025Updated 8 months ago
- State-of-the-art 2D and 3D Face Analysis Project☆29,539Jul 27, 2026Updated 3 weeks ago
- Interactive deep learning book with multi-framework code, math, and discussions. Adopted at 500 universities from 70 countries including …☆29,410Aug 18, 2024Updated 2 years ago
- SoftVC VITS Singing Voice Conversion☆28,125Nov 11, 2023Updated 2 years ago
- The fastai deep learning library☆28,117Updated this week
- deep learning for image processing including classification and object-detection etc.☆26,353Jan 1, 2026Updated 7 months ago
- Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and a…☆26,260Updated this week
- GUI for a Vocal Remover that uses Deep Neural Networks.☆25,824Mar 13, 2025Updated last year
- Image-to-Image Translation in PyTorch☆25,224Aug 6, 2025Updated last year
- JARVIS, a system to connect LLMs with ML community. Paper: https://arxiv.org/pdf/2303.17580.pdf☆25,188Jul 29, 2025Updated last year
- Graph Neural Network Library for PyTorch☆24,020Updated this week
- 🏆 A ranked list of awesome machine learning Python libraries. Updated weekly.☆23,722Updated this week
- ncnn is a high-performance neural network inference framework optimized for the mobile platform☆23,722Updated this week
- Image inpainting tool powered by SOTA AI Model. Remove any unwanted object, defect, people from your pictures or erase and replace(powere…☆23,353Apr 29, 2025Updated last year