Past Hackathons

AI Wars: WEEX Alpha Awakens

Compete in AI trading and win from an $880,000 prize pool—and the champion drives home a Bentley Bentayga S

BrowserUse

Web Agents YC Hackathon

Build whatever you want. The crazier the better. Only the most cracked builders on the planet. Agents that gamble? Agents that scrape the entire internet? Agents that do things no one has thought of yet?🏴‍☠️ Massive prize pool (announcing soon⏳). Sponsors across full stack so you can build anything.

HenHacks 2026

HenHacks is a beginner-friendly, in-person only hackathon hosted on the University of Delaware's Newark campus for all college students of any major. Our goal is to help develop and enhance students' technical skills to help them become competitive applicants in technology-related careers. Keep an eye out for info regarding HenHacks 2026! The in-person event will be a fun weekend of project-building, workshops, games, and networking with sponsors!

WeMakeDevs

Vision Possible: Agent Protocol

Your mission, should you choose to accept it: Build multi-modal AI agents that watch, listen, and understand video in real-time.

Unlink & Monad Foundation

Ship Private. Ship Fast.

A 36-hour hackathon for builders who believe compliant privacy should be default, starting on the fastest EVM chain.

IEM-ACM Student Chapter

Diversion 2K26

Diversion 2K26, the Annual Hackathon organized by the IEM-ACM Student Chapter, is back with a renewed spirit of innovation and creation.

OpenClaw Buildathon: Zero to Super Agents in 8 Hours | Delhi

OpenClaw Buildathon: Zero to Super Agent in 8 Hours | Pune

Why a "OpenClaw" Buildathon It’s the hottest tool in the market. Nothing comes close. It was acquired by OpenAI in 3 months. We want to see how far we can push the tool to build something phenomenal in eight hours. If you want to be part of the most intense, exhilarating buildathon experience and ship super agents with OpenClaw, this is for you.

PickHacks 2026

PickHacks is Missouri S&T's annual hackathon. For one weekend, students from across the country come together to build, create, and compete. You come up with the idea, and we provide mentors, resources, and anything else you need. Programming experience isn't necessary; the only requirement is a willingness to learn and have fun!

Encode x Arc Enterprise & DeFi Hackathon

​Join us for a weekend of onchain innovation across DeFi, enterprise finance, banking infrastructure, and programmable money on Arc, the Economic OS for the internet.

Hackathon Solasta 2026 – AI | Web | Impact

Hackathon Solasta 2026, organized by GDG IIITDM Kurnool, is an innovation-driven event bringing together students to build impactful solutions using AI and Web technologies.

Kerala Startup Mission

Build for India - Agentic AI Hackathon

AI is evolving from reactive tools into Agentic AI: autonomous systems that plan, decide, and act. We’re moving beyond assistance to independent execution across software, automation, and startups.

Google DeepMind

Gemini 3 NYC Hackathon

Gemini 3 is coming to NYC — Google's most intelligent model yet, built for state-of-the-art reasoning, rich multimodal understanding, and bringing any idea to life with unprecedented depth and clarity.

OpenClaw Buildathon: Zero to Super Agent in 8 Hours | Bengaluru

Why a "OpenClaw" Buildathon It’s the hottest tool in the market. Nothing comes close. It was acquired by OpenAI in 3 months. We want to see how far we can push the tool to build something phenomenal in eight hours. If you want to be part of the most intense, exhilarating buildathon experience and ship super agents with OpenClaw, this is for you.

OpenClaw Buildathon: Zero to Super Agent in 8 Hours | Mumbai

Why a "OpenClaw" Buildathon It’s the hottest tool in the market. Nothing comes close. It was acquired by OpenAI in 3 months. We want to see how far we can push the tool to build something phenomenal in eight hours. If you want to be part of the most intense, exhilarating buildathon experience and ship super agents with OpenClaw, this is for you.

OpenClaw Buildathon: Zero to Super Agent in 8 Hours | Hyderabad

This isn’t a hackathon. It’s a high-velocity build sprint for serious builders who want to go from idea → working AI agent → real feedback — all in a single day.

AI Hackathon at Ohio State

Join us for the AI Hackathon at Ohio State, a 24-hour, in-person student hackathon on February 27th & 28th. Sponsored by IBM SkillsBuild in collaboration with the Buckeye Fintech Group, this event invites college students to build AI-powered solutions to real-world challenges in education and finance.

Reddit

The Reddit Daily Games Hackathon

Reddit is hosting a virtual hackathon from January 15th to February 12th. We’re offering developers $40,000 in prizes for games built to delight users with daily play.

Open Agent Hackathon

​Join Akash and Venice on February 25th for a hackathon bringing together students, developers, and researchers to build the next generation of open, agent-driven AI systems.

AI for All Challenge | India’s Open Data & AI-Readiness Hackathon

AI for All – India’s Open Data & AI-Readiness Challenge AI for All is a nationwide online hackathon by Factly in collaboration with Meta, aimed at identifying innovative, open-source solutions that make India’s datasets and digital resources ready for responsible AI use—bridging data, tools, and inclusion. The hackathon invites students, AI startups, researchers, and civic-tech innovators to build solutions across data readiness, Indic language enablement, public data extraction, and AI for soci

Lingo.dev

Multilingual Hackathon #2

Ready to build something awesome? 😏 ​​Join us for an invite-only hackathon where creativity meets cutting-edge developer tools!

HackTheVibe, Powered by GitHub Education

Hack the Vibe is a 36-hour, creativity-first hackathon designed for builders, designers and innovators who want to code beyond the usual rules. Running from 20th–22nd February, this hackathon is all about vibe coding where experimentation, flow, and ideas matter just as much as technical execution.

Celebrity Hunt Hackathon

​The Celebrity Hunt Hackathon is a one-day build sprint for people who believe the fastest way to reach powerful, high-influence individuals is through a product and a costume.

ETHDenver 2026

ETHDenver is the world’s largest and longest running blockchain-powered #BUIDLathon (fka hackathon). Every year, more than 25,000+ innovators from over 125 countries converge to create a week-long festival of innovation.

Smallest.ai

Voice Hacksprint

Voice HackSprint is a high-intensity, one-day build sprint designed for engineers, founders, college students and AI builders working on: Voice AI | Conversational AI | AI agents | Developer tools for AI. It is powered by smallest.ai credits and partner APIs - culminating in live, elevator-pitch demos.

upGrad

AIverse No-Code Hackathon

Join industry leaders, innovators, and ambitious professionals for powerful conversations, real-world insights, and forward-looking ideas shaping tomorrow’s digital ecosystem.

AI Interfaces Hackathon with Claude

AI Tinkerers presents the Interfaces Hackathon with Claude, hosted in NYC with support from Anthropic, Tavus, Redis, and CopilotKit. 🎨⚙️🌆

Cactus x Google DeepMind Hackathon

​This is a multi-city, one-day global hackathon organized by Google DeepMind, Cactus Compute, AI Tinkerers and AI Nexus.

AI Valley

RETURN OF THE AGENTS - Hackathon

Build the future of Generative AI. Selected teams will be considered for Afore Capital’s pre-seed program ($500k–$2M+).

Matrix Hackathon

Build the next generation of on-chain games and gamified experiences on Solana.

Hex

Hex-a-thon

Build the analysis you wish existed. Join Hex's virtual hackathon to analyze, build, and explore data with AI - all in one place.

Celo

Build Agents for the Real World

Build an agentic app with real utility on Celo → fast, low-cost, stablecoin-native, mobile-first.

Good Vibes Only: OpenClaw Edition | BNBChain

Good Vibes Only: OpenClaw Edition is a fully online, AI-first vibe coding sprint where builders ship real products, prove execution onchain, and compete for a $100,000 prize pool.

Arbitrum Open House NYC 🗽

A 3-week Buildathon for devs to: ⚙️ Build with the same stack trusted by BlackRock and Robinhood 🏆 Win $30K prize pool + follow-on grants 🏠 Earn Founder House access

Pump.fun

Build In Public Global Hackathon

This hackathon is designed for founders at any stage of their journey. Whether you have a fully-formed idea, a loose direction, a working product, or nothing more than a strong intuition, there is a place for you here.

Nad.fun

Moltiverse Hackathon

A 2-week hackathon with $200K in prizes. See what happens when AI agents can transact at scale, build communities, and monetize them. Hosted by Nad.fun.

Anthropic, Replit, Lightspeed

Build India Hackathon

Anthropic, Replit, and Lightspeed are excited to bring you Build India, a builder-first sprint focused on creating AI-native products for India.

TreeHacks 2026

Join Fetch.ai Innovation Lab for a whirlwind 36 hours of creativity, collaboration, and groundbreaking innovation!

Tempo Hackathon!

​Hack and build on Tempo, the new stablecoin L1!

Cerebral Valley & Google DeepMind

Gemini 3 Bengaluru Hackathon

Build your most ambitious concepts using Gemini 3 across AI Studio, Vertex AI, and Google's new agentic development platform: Antigravity. This is your opportunity to show the Google DeepMind team what you can create.

DeveloperWeek

DeveloperWeek 2025 Hackathon

Nation's largest challenge-driven hackathon

EasyA Consensus Hackathon in Hong Kong

The EasyA Consensus Hackathon is where the world’s best developers in blockchain and AI gather to build the tech unicorns of tomorrow.

ETHGlobal

HackMoney 2026

Designed for hackers around the world to build DeFi applications.

beep.works

CLAWATHON

The first-ever AI Crew hackathon. Crews team up. Squadrons build. Squadrons ship.

Google DeepMind

Gemini 3 Hackathon

Google DeepMind is thrilled to invite you to the Gemini 3 global hackathon. We are pushing the boundaries of what AI can do by enhancing reasoning capabilities, unlocking multimodal experiences and reducing latency. Now, we want to see what you can create with our most capable and intelligent model family to date.

Solana

Privacy Hack 2026

Build the future of privacy on Solana. Compete for prizes while creating privacy-preserving applications and tools.

Hack4Privacy by iExec × 50Partners

​iExec and 50Partners are joining forces to launch Hack4Privacy, a hackathon dedicated to building the next generation of Confidential DeFi & RWA applications using iExec’s privacy technology.

Scroll

Innovating from Africa - Building on Scroll

Building the future on Scroll's ZKP Ecosystem

ETH Oxford 2026

Join builders, researchers and founders for a 3-day hackathon at the University of Oxford. Learn, collaborate and launch ideas shaping the future of blockchain, AI and technology.

Dhiraagu + Sparkhub + Synetecs

GenAI Hack 2026

GenAI Hack is a three-day (48-hour) Generative AI hackathon designed to accelerate the development of market-ready, AI-powered products through intensive learning, rapid prototyping, and live deployment.

NOOB Hackfest

We are excited to invite you and your visionary team to be part of NOOB HACKFEST – a 24-Hour Global Multidisciplinary Hackathon designed to spark breakthrough ideas and solve real-world challenges through innovation.

Taisu Ventures

Keio ChainHack 2026 Web3 Hackathon

Keio ChainHack 2026 - Building the Future of Tokenomics ​A high-impact pitch competition bringing together global students, early founders, and Web3 visionaries. ​Your ideas take center stage, with direct exposure to VCs, industry experts, and decision makers shaping the future of the space.

Feuji Innovation Hackathon 2026

Feuji Innovation Hackathon 2026 is here, and we're inviting startups, developers, AI/ML engineers, students, and innovators to build the next generation of Autonomous Quality Assurance tools.

NVIDIA & GPU Mode

Blackwell NVFP4 Kernel Hackathon

​Join the Developer Kernel Hackathon, a four-part performance challenge hosted by NVIDIA in collaboration with GPU MODE.

Singularity - By Stellar India

​Introducing: Singularity by Stellar India A 5-day residency program for active and upcoming projects in the Stellar ecosystem

Physical AI Hack 2026

​Physical AI Hack 2026 is a hands-on hackathon for people who want to see AI actually work on real robots. We’ll be hosting it at Founders Inc, a space where ambitious founders, builders, and operators come together to grow and scale real startups.

Base Indonesia Hackathon 2025

This hackathon brings together Indonesia’s strongest Web3 builders to create impactful applications on Base. Over the course of several weeks, teams receive mentorship, technical support, ecosystem connections, and the opportunity to pitch live for 6,000 USDC in prizes.

Neo × SpoonOS

Scoop AI Hackathon Tokyo Bowl

The world-renowned Scoop AI Hackathon is coming to Japan for the first time. This one-day, offline hackathon celebrates ideas, experiments, and sharing. Completion is optional, creativity is everything. Whether you’re coding, planning, or pitching, it’s your playground for AI × Web3 innovation.

Rise In

Stellar Build-A-Thon Kolkata

​Join us for Stellar Build-A-Thon Kolkata, a 24-hour in-person hackathon designed to bring together blockchain enthusiasts, Web3 developers, and startup teams to build real-world applications on the Stellar blockchain.

dreamflow

dreamflow Buildathon

Join the dreamflow Buildathon, a global challenge where makers, founders, and dreamers turn ideas into real, shippable apps - powered by dreamflow. Learn from live workshops, collaborate with other builders, and compete for cash prizes, exclusive merch, and dreamflow credits.

DUHacks 5.0

Step into a realm where innovation meets enchantment — welcome to DUHacks 5.0, the fifth chapter in our legacy of creativity! ⚡ Organized by Google Developer Groups on campus • DDU, this 36-hour national hackathon invites brilliant minds from across the country to craft magical solutions with technology.

Cronos x402 Paytech Hackathon

The Cronos x402 Paytech Hackathon invites builders from around the world to create the next generation of agentic, on-chain and AI-powered applications.

Ethos & Base

Ethos Vibeathon

Vibe coding is the future of experimentation. Ethos is the future of onchain reputation.

X

xai Grokathon

Cardano Foundation

Cardano Developer Use Cases: Holiday Season Challenge

Good, enjoyable challenges have a way of leaving people wishing for more. So, after the success of the Cardano Summit Layer Up hackathon, we really felt in the mood to put together another hacking challenge sooner rather than later. The Cardano Foundation invites you all to a special festive season challenge.

Major League Hacking

Global Hack Week: Beginners Week

Beginner-friendly week-long virtual hackathon

MNEE

MNEE Stablecoin Hackathon

Build real-world stablecoin applications

Amazon Web Services

AI for Bharat

National AWS AI hackathon for India

OneBlock+

DOT Your Future Hacker House

​Featuring the Polkadot Code Camp — Learn, Build, and Prepare for APAC Hackathon 2026. 👥 Only 15 spots available. Priority accommodation for developers from outside Shenzhen. Perfect for builders looking for real-world experience and a direct path into the Polkadot ecosystem.

x402 Hackathon

A 4 week virtual event focused on shipping real products, apps, and impactful open source. Participants will receive mentorship from industry experts.

Flutterflow

Dreamflow Buildathon 2025

Over the next 50 days, makers, founders, students, and builders from around the world will come together to build and ship real apps with dreamflow, FlutterFlow’s AI native mobile app builder.

Anything

Anything Max Hackathon

A month-long sprint with $100K on the line. Five goals, five winners, endless ways to stand out.

AO Holiday Jam 2025

Build a fun mini-game or app using the aoDevBot and our provided holiday asset pack over the holiday period. It can be useful, innovate, cozy, fun, or wild - as long as it's made with the aoDevBot!

Google DeepMind

Vibe Code with Gemini 3 Pro in AI Studio

Build with Gemini 3 and compete for $500,000 in credits

Major League Hacking

Global Hack Week: AI/ML

Week-long AI/ML learning and building event

VibeHack 2025 - Vibecoding Hackathon with EF X Emergent

​Over one weekend, 150 hand-picked builders/professionals will come together to bring their boldest ideas to life and turn them into real products! Many of them have never written a line of code - and that’s the point.

Major League Hacking & DigitalOcean

Hack with MLH and DigitalOcean: NYC

​Calling all developers! Major League Hacking (MLH) and DigitalOcean are hosting an AI hackathon right in New York City on December 12-13, and we’d love to see you there!

HackSussex GameJam2025

The HackSussex GameJam 2025 is a fun and inclusive weekend-long event that invites participants to team up and build a game in just a short span of time. It's an incredible chance to meet like-minded individuals, develop your skills, and have a blast doing it.

Story & Hackquest

Surreal World Assets Buildathon

Join the 4-week Global Buildathon inviting you to build the next generation of IP applications on Story, the L1 that tokenizes IP and makes it programmable.

ETHGlobal

ETHGlobal New Delhi 2025

India's premier Web3 hackathon

ETHGlobal

ETHGlobal Istanbul 2025

Build the future of Web3 in Istanbul

ETHGlobal

ETHGlobal New York 2025

NYC's premier Web3 hackathon

ETHGlobal

ETHGlobal Cannes 2025

Blockchain hackathon on the French Riviera

ETHGlobal

ETHGlobal Prague 2025

Build decentralized applications in Prague

ETHGlobal

ETHGlobal Taipei 2025

Build the future of Web3 in Taipei