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Hackathons

Every event, every theme, every corner of the world.

1,125 resultsShuffle
Tech Eximius 2026
Open for registration
$1,000
Online·Online
Tech CircleTech Circle

Tech Eximius 2026

Tech Eximius 2026, organized by Tech Circle, is an online innovation hackathon designed to bring together passionate developers, designers, innovators, and problem solvers from acr...

AI & MLWeb3 & CryptoClimate & Sustainability
May 25, 20261.9K
Build Open-Source AI Agents on Qwen Cloud
Open for registration
$45.0K
Online·Online
Alibaba Cloud

Build Open-Source AI Agents on Qwen Cloud

Build Open-Source AI Agents on Qwen Cloud is an open machine learning competition listed by ML Contests.

AI & MLEducationAR / VR
May 25, 20260
ARC White-Box Estimation Challenge 2026
Open for registration
$150.0K
Online·Online
Alignment Research CenterAlignment Research Center

ARC White-Box Estimation Challenge 2026

Given the weights of a neural network, can you predict its expected per-neuron activations more accurately than running it many times?

AR / VR
May 26, 2026317
Automated Identification of Mod-Sev TBI Lesions 2026
Open for registration
TBA
Online·Online
Grand ChallengeGrand Challenge

Automated Identification of Mod-Sev TBI Lesions 2026

AI & MLHealth & Bio
May 29, 20260
StoxraHack 2026 — India's Student FinTech & AI Trading Hackathon
Open for registration
$315.0K
Online·Online
IIMT University IIMTU , Greater Noida CampusIIMT University IIMTU , Greater Noida Campus

StoxraHack 2026 — India's Student FinTech & AI Trading Hackathon

Build. Innovate. Compete. Win. Stoxra National Online Hackathon 2026 is one of India's largest student innovation challenges, bringing together developers, designers, entrepreneurs...

AI & MLFintechOpen Source
May 31, 20263.3K
AI Builders Challenge Sponsored by IBM SkillsBuild
Open for registration
$1,000
Online·Online
IBM SkillsBuildIBM SkillsBuild

AI Builders Challenge Sponsored by IBM SkillsBuild

Monthly Student Challenges & Learning Labs

AI & MLGamingEducation
Jun 1, 20260
Estimate Neural Network Activations from Weights
Open for registration
$100.0K
Online·Online
ARC

Estimate Neural Network Activations from Weights

Estimate Neural Network Activations from Weights is an open machine learning competition listed by ML Contests.

AI & MLEducationAR / VR
Jun 1, 20260
MVAA 2026: Mitral Valve Anatomy Analysis Using Multimodal Imaging Data
Ended
$1,000
Online·Online
MVAA_baselineMVAA_baseline

MVAA 2026: Mitral Valve Anatomy Analysis Using Multimodal Imaging Data

Organizer: MVAA_baseline; 853 submissions; MVAA 2026 evaluates multimodal AI methods for mitral valve anatomy analysis across three clinically grounded segmentation tasks: (1) CT s...

AI & MLOpen SourceAR / VR
May 31, 2026141
VLNverse ECCV 2026 EMR Challenge
Ended
$1,000
Online·Online
creatcreat

VLNverse ECCV 2026 EMR Challenge

Organizer: creat; 306 submissions; VLNverse challenge for the ECCV 2026 EMR workshop with coarse- and fine-grained 150-episode tracks. Choose one or both tasks when submitting, the...

AI & MLAR / VR
May 31, 202635
Foundation Model for Ultrasound Biometry
Ended
$1,000
Online·Online
jared2408jared2408

Foundation Model for Ultrasound Biometry

Organizer: jared2408; 761 submissions; This competition evaluates foundation models on ultrasound image regression tasks. Participants predict anatomical landmark coordinates. The ...

AI & MLHealth & BioAR / VR
May 31, 2026152
NLPCC 2026 Shared Task 6: The Second Shared Task on LLM-Generated Text Detection
Ended
$1,000
Online·Online
JunchaoWuJunchaoWu

NLPCC 2026 Shared Task 6: The Second Shared Task on LLM-Generated Text Detection

Organizer: JunchaoWu; 332 submissions; The rapid development of large language models (LLMs) has given rise to a series of challenges, including the generation of disinformation, t...

AI & MLAR / VR
Jun 3, 202642
NJ Hackensack School Bus Routing Challenge
Ended
$1,200
Online·Online
bca-mlcbca-mlc

NJ Hackensack School Bus Routing Challenge

In this competition, your task is to design a reinforcement-learning routing agent for Hackensack, NJ school buses. Minimize ride time, lateness, and unfair routes on a real OpenSt...

AI & MLEducationAR / VR
Jun 3, 202636