Ongoing since 2018Online · Education · intermediate · kaggle, machine-learning, python
A free online competition for data science students and learners to practice predicting housing prices using regression techniques like random forest and gradient boosting. Participants apply feature engineering in R or Python to minimize RMSE errors on a dataset of Ames, Iowa ho
Ongoing since 2012Online · Education · beginner · computer-vision, machine-learning, python
An indefinite online competition teaching computer vision basics by classifying handwritten digits from the MNIST dataset. Targeted at students and beginners in machine learning using Python.
Ongoing since 2019Online · Education · beginner · nlp, machine-learning, kaggle
A free Kaggle competition teaching beginners how to build NLP models for binary classification of disaster tweets. Participants use Python and machine learning to predict if tweets describe real emergencies versus metaphors.
Ongoing since 2022Online · Education · beginner · kaggle, machine-learning, data-science
A free, non-competitive Kaggle challenge designed for beginners to learn basic machine learning concepts. Participants build a binary classification model in Python to predict which passengers were transported to an alternate dimension using the Spaceship Titanic dataset.
Ongoing since 2012Online · Education · beginner · kaggle, machine-learning, binary-classification
A free beginner-friendly competition on Kaggle where you build a machine learning model to predict Titanic passenger survival. Using Python and tabular data, you practice binary classification and data analysis without needing prior ML experience.
Ongoing since 2016Online · Education · intermediate · regression, machine-learning, python
A free data science competition where participants predict house prices in Ames, Iowa using advanced regression techniques. Designed for those with Python or R experience to practice feature engineering and machine learning models like random forests.
Ongoing since 2020Online · Education · beginner · kaggle, machine-learning, computer-vision
A free online Kaggle competition for beginners to learn machine learning and use TPUs by building a model to classify flower images. Participants submit predictions via notebooks without needing prior ML experience.
Ongoing since 2021Online · Education · intermediate · time-series-forecasting, machine-learning, data-science
A free Kaggle competition where participants use machine learning to forecast store sales for an Ecuadorian grocery retailer. It targets those practicing time-series forecasting and regression skills on real-world retail data.
Ongoing since 2020Online · Education · beginner · nlp, machine-learning, kaggle
A beginner-friendly online competition on Kaggle teaching Natural Language Inferencing with multilingual text. Participants build NLI models to classify relationships between sentences using techniques like BERT, focusing on learning rather than prizes.
Ongoing since 2024Online · Tech · intermediate · llm, machine-learning, classification
A free online competition where you build a machine learning model to predict which of two LLM-generated responses users will prefer. Participants use real-world Chatbot Arena data to develop classification models addressing alignment and bias issues in AI.
Online · Education · intermediate · hackathon, machine-learning, software-development
A free online hackathon for Indian college students focusing on software development and machine learning. Teams of up to four build functional prototypes to solve real-world problems through a multi-stage competition.
Online · Education · intermediate · hackathon, software-development, machine-learning
A free online hackathon for Indian college students featuring Software Development and Machine Learning tracks. Participants build prototypes individually or in teams of up to four, progressing from ideation to final presentation.