CAPTCHA Solving ML ML Frameworks

Tools and models for automatically solving CAPTCHA challenges using machine learning, deep learning, and computer vision techniques. Includes OCR-based solvers, image classification models, and deployed systems for text and image CAPTCHAs. Does NOT include general OCR tools, image classification frameworks, or CAPTCHA generation/creation systems.

There are 33 captcha solving ml frameworks tracked. 6 score above 50 (established tier). The highest-rated is anexplore/cnn_for_captcha at 59/100 with 313 stars.

Get all 33 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=ml-frameworks&subcategory=captcha-solving-ml&limit=20"

Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.

#	Framework	Score	Tier	Stars	Language
1	anexplore/cnn_for_captcha 图片类验证码识别(数字验证码/缺口验证码/文字验证码/旋转验证码/相似物体验证码)	59	Established	313	Python
2	ypwhs/baiduyun_deeplearning_competition 百度云魅族深度学习应用大赛	51	Established	424	Jupyter Notebook
3	ypwhs/captcha_break 验证码识别	51	Established	2,808	Jupyter Notebook
4	cos120/captcha_crack 选字验证码破解，试验过网易和极验，破解率99	51	Established	666	C
5	zhaipro/easy12306 使用机器学习算法完成对12306验证码的自动识别	51	Established	2,917	Python
6	skyduy/CNN_keras CNN \| Keras/PyTorch \| CAPTCHA recognition（卷积神经网络、Keras/PyTorch框架、验证码识别）	50	Established	291	Python
7	zipzou/captcha-recognition 验证码OCR识别	44	Emerging	94	Jupyter Notebook
8	CaptchaAgent/hcaptcha-model-factory 🏗 hCaptcha image label binary model factory (PyTorch Training, Cluster-based...	44	Emerging	78	Python
9	Nucito/CaptchaSolver Um simples projeto para fazer o reconhecimento do captcha usado pelo jogo bombcrypto.	42	Emerging	49	Python
10	TomHuynhSG/Captchas-Solver-CRNN a deep learning model to break CAPTCHA codes perfectly using CRNN model,...	41	Emerging	26	Jupyter Notebook
11	BijayaKumarTiadi/Captcha-Solver-CNN-Keras-Tensorflow 🔓 Advanced CAPTCHA Solver using Deep Learning (CNN + BiLSTM) - 95%+...	37	Emerging	4	Python
12	sandptel/captcha_iitkgp This repository aims to provide a deployable model to solve the captchas...	36	Emerging	9	Jupyter Notebook
13	AdityaJain1030/recaptcha-dataset A dataset with thousands of recaptcha images, formatted for machine...	34	Emerging	6	—
14	scaliby/ceidg-captcha Utilities for breaking CEIDG captcha using machine learning written in deeplearning4j	33	Emerging	7	Java
15	Tomotsugu-dev/Sider_CAPTCHA_Solver Industrial-grade slider CAPTCHA solver using deep learning (CNN/CenterNet)....	33	Emerging	5	Python
16	aimaster-dev/bank-ocrcaptcha A deep learning API for solving bank CAPTCHA images using TensorFlow and...	30	Emerging	13	Jupyter Notebook
17	jameskokoska/CAPTCHA-Solver 🔠 A CAPTCHA solver using machine learning with a bidirectional LSTM model	30	Emerging	21	Python
18	ajmandourah/Deep-reCaptcha a reCaptcha solver using a fine tuned pretrained model (EfficientNetM)	29	Experimental	16	Python
19	AmireNoori/MathCaptchaSolver A great tool for solving math captchas !	29	Experimental	48	Python
20	aimaster-dev/ocr-recaptcha An OCR-based Python system to automatically solve some Bank CAPTCHA images....	28	Experimental	8	Python
21	mustafayigit34/OCR-for-CAPTCHA This example demonstrates a simple OCR model built with the Functional API....	24	Experimental	5	Jupyter Notebook
22	e-hengirmen/Basic-number-captcha-solver This repo is for solving captcha images on METU student portal's course...	22	Experimental	21	PureBasic
23	AmireNoori/PersianCaptchaSolver A great tool for solving persian letter math captcha types !	22	Experimental	17	Python
24	Joshimello/NTHUAISDecaptcha Solving NTHU AIS captchas with deep learning models, implemented as APIs.	22	Experimental	5	Jupyter Notebook
25	co-dev0909/ocr-recaptcha About An OCR-based Python system to automatically solve some Bank CAPTCHA...	21	Experimental	8	Python
26	netphantom/CaptchAmI A tool to solve captcha with AI and CV	18	Experimental	2	Python
27	Hugo-Hattori/Captcha_Breaker This project aims to create an Artificial Intelligence capable of solving a...	17	Experimental	1	Python
28	karanwxliaa/CapSecure A captcha's vulnerability analysis using deep learning	16	Experimental	1	Jupyter Notebook
29	ahmadfatnanali/Captcha-Solver-CNN-Keras-Tensorflow 🔓 Solve CAPTCHAs with high accuracy using this advanced deep learning model...	15	Experimental	—	—
30	hajunwon/hcaptcha-solver Hcaptcha ai & images	12	Experimental	7	—
31	Matheusutino/CaptchaRecognition Recognition of captchas using deep learning techniques, specifically CNN...	11	Experimental	4	Jupyter Notebook
32	scheshmi/Captcha-Reader A model for reading captchas	10	Experimental	2	PureBasic
33	marufmurtuza/Tcapsol An AI for Text Captcha Recognition	10	Experimental	2	—

Comparisons in this category

captcha_break and captcha_crack (51 vs 51) cnn_for_captcha and captcha_break (59 vs 51) captcha_break and CNN_keras (51 vs 50) captcha_break and captcha-recognition (51 vs 44) captcha_break and Captchas-Solver-CRNN (51 vs 41) cnn_for_captcha and CNN_keras (59 vs 50) CNN_keras and captcha-recognition (50 vs 44) CNN_keras and Captchas-Solver-CRNN (50 vs 41) CNN_keras and Captcha-Solver-CNN-Keras-Tensorflow (50 vs 37) Captchas-Solver-CRNN and Captcha-Solver-CNN-Keras-Tensorflow (41 vs 37)