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lightly

lightly-ai/lightly

A python library for self-supervised learning on images.

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3.8k stars354 forksLast push today Python MIT

Decision brief

Lightly specializes in self-supervised learning for image data to improve computer vision models without labeled datasets.

Good fit when

You need to enhance model performance with unlabeled image data.
Your project benefits from modern contrastive-learning techniques.

Avoid when

Labeled datasets are abundant and of high quality for your use case.
Project requirements strictly limit the use of Python-based libraries.

Observed Jul 12, 2026 · Source: enrich:decision_facts

lightly alternatives Trust report

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Maintenance and security

Full trust report

Maintenance: Very active (0d since push); As of today
Provenance: Not a fork · Organization account; As of today
Security (OSV): No lockfile; As of 1mo

Public GitHub metadata and optional OSV scans. Signals, not a guarantee. Trust methodology.

Install

pip install lightly

Similar tools

Same-category neighbours. No typed graph edges are catalogued for this tool yet.

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Evidence and technical details

Sourced facts, taxonomy, compatibility claims, README excerpt, and machine-readable endpoints.

Overview

Provides tools and utilities to perform self-supervised learning, particularly aimed at image data which is critical for enhancing model performance in computer vision tasks without requiring labeled datasets.

Capability facts

CLI: CLI entrypoint
Source: pyproject.toml:[project.scripts] · Aug 22, 2026
Languages: python
Source: github.language+pyproject.toml · Aug 22, 2026

Categories

Computer Vision Model Training

Compatibility

Sourced claims from the README excerpt - not unsourced marketing copy.

Python runtimePython

Source: README excerpt (regex_v1, Aug 22, 2026)

Lightly requires **Python 3.7+**. We recommend installing Lightly in a **Linux** or **OSX** environment. Pyth

Tags

computer-vision contrastive-learning deep-learning embeddings self-supervised-learning

README

Quick Start

Lightly requires Python 3.7+. We recommend installing Lightly in a Linux or OSX environment. Python 3.13 is not yet supported, as PyTorch itself lacks Python 3.13 compatibility.

Installation

You can install Lightly and its dependencies from PyPI with:

pip3 install lightly

We strongly recommend installing Lightly in a dedicated virtualenv to avoid conflicts with your system packages.

For agents

This page has a .md twin and JSON over the API.

/tools/lightly-ai-lightly.md GET /api/graphcanon/tools/lightly-ai-lightly GET /api/graphcanon/graph?tool=lightly-ai-lightly

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