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☆165,037Mar 2, 2026Updated 7 months ago
- 🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal model…☆167,646Updated this week
- The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface. The fastest local inference engine in th…☆137,300Updated this week
- Implement a ChatGPT-like LLM in PyTorch from scratch, step by step☆106,474Oct 2, 2026Updated last week
- A high-throughput and memory-efficient inference and serving engine for LLMs☆93,722Updated this week
- 🧑🏫 60+ Implementations/tutorials of deep learning papers with side-by-side notes 📝; including transformers (original, xl, switch, fee…☆67,549Jan 22, 2026Updated 8 months ago
- Deep Learning for humans☆64,371Updated this week
- Clone a voice in 5 seconds to generate arbitrary speech in real-time☆60,186Mar 9, 2026Updated 7 months ago
- Ultralytics YOLO27, YOLO26, YOLO11, YOLOv8 — object detection, instance segmentation, semantic segmentation, image classification, pose e…☆62,462Updated this week
- Ultralytics YOLOv5 in PyTorch for object detection, instance segmentation, classification, training, and export.☆58,159Oct 6, 2026Updated last week
- Learn how to develop, deploy and iterate on production-grade ML applications.☆49,729Mar 4, 2026Updated 7 months ago
- We write your reusable computer vision tools. 💜☆51,189Updated this week
- 🐸💬 - a deep learning toolkit for Text-to-Speech, battle-tested in research and production☆46,109Aug 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.☆44,021Updated this week
- DeepSpeed is a deep learning optimization library that makes distributed training and inference easy, efficient, and effective.☆43,229Updated this week
- GFPGAN aims at developing Practical Algorithms for Real-world Face Restoration.☆37,696Jul 26, 2024Updated 2 years ago
- The largest collection of PyTorch image encoders / backbones. Including train, eval, inference, export scripts, and pretrained weights --…☆37,209Updated this week
- 🚀Clone a voice in 5 seconds to generate arbitrary speech in real-time☆36,889Mar 3, 2026Updated 7 months ago
- Real-ESRGAN aims at developing Practical Algorithms for General Image/Video Restoration.☆37,079Aug 6, 2024Updated 2 years ago
- 🤗 Diffusers: State-of-the-art diffusion models for image, video, and audio generation in PyTorch.☆34,708Updated this week
- VoxCPM2: Tokenizer-Free TTS for Multilingual Speech Generation, Creative Voice Design, and True-to-Life Cloning☆39,208Updated this week
- Visualizer for neural network, deep learning and machine learning models☆33,565Updated this week
- OpenMMLab Detection Toolbox and Benchmark☆32,990Aug 21, 2024Updated 2 years ago
- PyTorch Tutorial for Deep Learning Researchers☆32,505Aug 15, 2023Updated 3 years ago
- Facebook AI Research Sequence-to-Sequence Toolkit written in Python.☆32,209Sep 30, 2025Updated last year
- Pretrain, finetune ANY AI model of ANY size on 1 or 10,000+ GPUs with zero code changes.☆31,395Updated this week
- Ready-to-use OCR with 80+ supported languages and all popular writing scripts including Latin, Chinese, Arabic, Devanagari, Cyrillic and …☆30,063Dec 5, 2025Updated 10 months ago
- State-of-the-art 2D and 3D Face Analysis Project☆29,946Oct 4, 2026Updated last week
- Interactive deep learning book with multi-framework code, math, and discussions. Adopted at 500 universities from 70 countries including …☆29,821Aug 18, 2024Updated 2 years ago
- SoftVC VITS Singing Voice Conversion☆28,079Nov 11, 2023Updated 2 years ago
- The fastai deep learning library☆28,223Sep 21, 2026Updated 3 weeks ago
- deep learning for image processing including classification and object-detection etc.☆26,409Jan 1, 2026Updated 9 months ago
- Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and a…☆26,735Updated this week
- GUI for a Vocal Remover that uses Deep Neural Networks.☆26,592Oct 6, 2026Updated last week
- Image-to-Image Translation in PyTorch☆25,252Aug 6, 2025Updated last year
- JARVIS, a system to connect LLMs with ML community. Paper: https://arxiv.org/pdf/2303.17580.pdf☆25,432Jul 29, 2025Updated last year
- Graph Neural Network Library for PyTorch☆24,115Oct 6, 2026Updated last week
- 🏆 A ranked list of awesome machine learning Python libraries. Updated weekly.☆23,844Updated this week
- ncnn is a high-performance neural network inference framework optimized for the mobile platform☆23,951Updated this week
- Image inpainting tool powered by SOTA AI Model. Remove any unwanted object, defect, people from your pictures or erase and replace(powere…☆23,304Apr 29, 2025Updated last year