Kiroween Online Build something wicked for Kiroween, our annual Halloween-themed hackathon where developers dare to code in dark mode $100,000 in prizes Winners announced 4967 participants
Chroma Awards: AI Film, Music Videos, and Games Online An AI Film, Music Video, and Game Competition to Unite the Creative Community $191,500 in prizes Winners announced 5511 participants
Rift Rewind Hackathon Online Your Season, Your Story — League API + AWS AI Services $26,000 in prizes Winners announced 2630 participants
Agentic AI Unleashed: AWS & NVIDIA Hackathon Online Build the future of agentic AI with AWS and NVIDIA Non-monetary prizes Winners announced 1955 participants
Google Chrome Built-in AI Challenge 2025 Online Innovate with Intelligence: Build the Future of the Web with Gemini Nano and Chrome AI. $70,000 in prizes Winners announced 14088 participants
Meta Horizon Creator Competition: Mobile Genre Showdown - Reloaded Online Compete for up to 35 prizes, with a top prize of $200,000 per genre and a total prize pool of $2,500,000 $2,500,000 in prizes Winners announced 1685 participants
Reddit and Kiro: Community Games Challenge Online Reddit and Kiro are hosting a virtual hackathon for the best community game! $45,000 in prizes Winners announced 1925 participants
AI Accelerate: Unlocking New Frontiers Online Unlocking New Frontiers: A Multi-Partner Google Cloud Hackathon $50,000 in prizes Winners announced 2721 participants
AWS AI Agent Global Hackathon Online Agents of change - building tomorrows AI solution today $45,000 in prizes Winners announced 9465 participants
GKE Turns 10 Hackathon Online Build next gen microservices with AI Agents $50,000 in prizes Winners announced 4703 participants
Fun and Games with Devvit Web Online Create a new game or experience for the Reddit community! $49,000 in prizes Winners announced 2603 participants
Code with Kiro Hackathon Online A challenge for developers to explore Kiro, an AI IDE that works alongside you to turn ideas into production code with spec-driven development. $100,000 in prizes Winners announced 9942 participants
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8639 participants
Meta Horizon Creator Competition: Open Source Champions Online Compete for a share of $1M in prizes, plus an additional $500K in prizes for newly introduced mini-challenges. $1,500,000 in prizes Winners announced 1208 participants
World’s Largest Hackathon presented by Bolt Online Build with AI for a shot at some of the $1M+ in prizes. $1,037,500 in prizes Winners announced 129573 participants
Agent Development Kit Hackathon with Google Cloud Online Build multi-agent AI systems with Agent Development Kit and Google Cloud $50,000 in prizes Winners announced 10349 participants
AWS Presents: Breaking Barriers Virtual Challenge Online Infuse generative AI with AWS and connectivity to enable equitable digital experiences for all $16,000 in prizes Winners announced 2316 participants
AI in Action Online Innovate Together: A Multi-Partner Google Cloud Hackathon $50,000 in prizes Winners announced 6683 participants
AI Hackfest Online Build hacks that can think and take decisions even better than humans! Non-monetary prizes Winners announced 414 participants
Global AI Agents League Online A Nexus of AI Agents $10,000 in prizes Winners announced 1456 participants
Hack Reddit 2025 Online Create a new game or experience for the Reddit community! $36,000 in prizes Winners announced 1739 participants
Azure AI Developer Hackathon Online Unleash the future of AI on the Azure cloud $10,000 in prizes Winners announced 3345 participants
SANS AI Cybersecurity Hackathon Online Join the global virtual AI Cybersecurity Hackathon from Feb 15 to Mar 15. Design and build AI-driven solutions to secure systems, protect data, and tackle emerging cyber threats. $10,000 in prizes Winners announced 925 participants
