Top 23 Python contrastive-learning Projects

contrastive-learning

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1. pytorch-metric-learning

   1 3 6,216 7.7 Python

   The easiest way to use deep metric learning in your application. Modular, flexible, and extensible. Written in PyTorch.

   

2. Sevalla

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3. lightly

   2 16 3,522 9.1 Python

   A python library for self-supervised learning on images.

   

4. InternVideo

   3 3 2,022 8.0 Python

   [ECCV2024] Video Foundation Models & Data for Multimodal Understanding

   

5. solo-learn

   4 3 1,507 0.0 Python

   solo-learn: a library of self-supervised methods for visual representation learning powered by Pytorch Lightning

   

6. Unsupervised-Classification

   5 2 1,438 1.4 Python

   SCAN: Learning to Classify Images without Labels, incl. SimCLR. [ECCV 2020]

   

7. uform

   6 9 1,164 5.0 Python

   Pocket-Sized Multimodal AI for content understanding and generation across multilingual texts, images, and 🔜 video, up to 5x faster than OpenAI CLIP and LLaVA 🖼️ & 🖋️

   

8. CoCa-pytorch

   7 1 1,144 6.2 Python

   Implementation of CoCa, Contrastive Captioners are Image-Text Foundation Models, in Pytorch

   

9. InfluxDB

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   InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

   

10. CEBRA

    8 5 1,021 7.8 Python

    Learnable latent embeddings for joint behavioral and neural analysis - Official implementation of CEBRA

    

11. lightly-train

    9 5 816 9.4 Python

    LightlyTrain is the first PyTorch framework to pretrain computer vision models on unlabeled data for industrial applications

    

    Project mention: Show HN: Distill DINOv3 into your own model | news.ycombinator.com | 2025-08-15

12. contrastors

    10 1 741 5.2 Python

    Train Models Contrastively in Pytorch

    

13. x-clip

    11 1 711 5.8 Python

    A concise but complete implementation of CLIP with various experimental improvements from recent papers

    

14. quaterion

    12 4 657 0.0 Python

    Blazing fast framework for fine-tuning similarity learning models

    

15. efficient-gnns

    13 2 532 0.0 Python

    Code and resources on scalable and efficient Graph Neural Networks (TNNLS 2023)

    

16. TS-TCC

    14 1 440 3.2 Python

    [IJCAI-21] "Time-Series Representation Learning via Temporal and Contextual Contrasting"

    

17. Unsupervised-Semantic-Segmentation

    15 1 412 1.8 Python

    Unsupervised Semantic Segmentation by Contrasting Object Mask Proposals. [ICCV 2021]

    

18. GradCache

    16 1 395 4.5 Python

    Run Effective Large Batch Contrastive Learning Beyond GPU/TPU Memory Constraint

    

19. DiffCSE

    17 3 294 0.0 Python

    Code for the NAACL 2022 long paper "DiffCSE: Difference-based Contrastive Learning for Sentence Embeddings"

    

20. CSI

    18 1 282 0.0 Python

    CSI: Novelty Detection via Contrastive Learning on Distributionally Shifted Instances (NeurIPS 2020)

    

21. sapbert

    19 1 195 0.0 Python

    [NAACL'21 & ACL'21] SapBERT: Self-alignment pretraining for BERT & XL-BEL: Cross-Lingual Biomedical Entity Linking.

    

22. ContraD

    20 1 189 0.0 Python

    Code for the paper "Training GANs with Stronger Augmentations via Contrastive Discriminator" (ICLR 2021)

    

23. AdCo

    21 2 162 0.9 Python

    AdCo: Adversarial Contrast for Efficient Learning of Unsupervised Representations from Self-Trained Negative Adversaries

    

24. PromCSE

    22 1 136 5.9 Python

    [EMNLP 2022] Improved Universal Sentence Embeddings with Prompt-based Contrastive Learning and Energy-based Learning

    

25. clamp

    23 1 102 5.6 Python

    Code for the paper Enhancing Activity Prediction Models in Drug Discovery with the Ability to Understand Human Language (by ml-jku)

    

26. SaaSHub

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    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    

Python contrastive-learning related posts

• Show HN: Distill DINOv3 into your own model

  1 project | news.ycombinator.com | 15 Aug 2025

• LightlyTrain: Better Vision Models, Faster – No Labels Needed

  3 projects | news.ycombinator.com | 15 Apr 2025

• GPT-4 Week 7. Government oversight, Strikes, Education, Layoffs & Big tech are moving - Nofil's Weekly Breakdown

  3 projects | /r/ChatGPT | 7 May 2023

• Similarity Learning lacks a framework. So we built one

  6 projects | news.ycombinator.com | 13 Jul 2022

• Show HN: Quaterion – x100 faster fine-tuning of similarity learning models

  1 project | news.ycombinator.com | 28 Jun 2022

• [D] Problems with proprietary datasets

  4 projects | /r/MachineLearning | 19 May 2022

• [N] MIT/Meta AI released their new SOTA unsupervised sentence embedding model "DiffCSE"

  3 projects | /r/MachineLearning | 26 Apr 2022
• A note from our sponsor - SaaSHub
  www.saashub.com | 1 Sep 2025

  SaaSHub helps you find the best software and product alternatives Learn more →

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