CALL-E: Your Code Is Calling Online Turn your code into an AI agent that makes real phone calls. $10,000 in prizes Sep 14, 2026 11:45 AM EDT to submit 2583 participants
Agentic Cinema: The Blockbuster Hackathon Featured Online Lights. Camera. Code. $75,000 in prizes Sep 09, 2026 05:00 PM EDT to submit 8737 participants
CockroachDB × AWS Hackathon - Build with Agentic Memory Online Agents that think. Agents that act. Agents that remember; reliably, globally, at any scale. $8,750 in prizes Winners TBD 3709 participants
Build with Gemini XPRIZE Online $2,000,000 in prizes. Build with Gemini. Ship products that impact the world. $2,000,000 in prizes Winners TBD 26467 participants
Arm Create: AI Optimization Challenge Online One challenge. Three frontiers of AI. All powered by Arm. $8,000 in prizes Winners TBD 2484 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46719 participants
Reddit’s Games with a Hook Hackathon Online Join Reddit and Phaser to build incredible games for the Reddit community! $40,000 in prizes Winners announced 3065 participants
Slack Agent Builder Challenge Online Whether it's your first agent or your fiftieth - Slack is where it ships. $42,000 in prizes Winners announced 4424 participants
Google Cloud Rapid Agent Hackathon Online Building Agents for Real-World Challenges $60,000 in prizes Winners announced 14458 participants
Reddit Mod Tools and Migrated Apps Hackathon Online Join Reddit to build moderation tools for the Reddit community! $45,000 in prizes Winners announced 3091 participants
The Reddit Daily Games Hackathon Online Join Reddit and GameMaker to build incredible daily games for the Reddit community! $40,000 in prizes Winners announced 2982 participants
FounderForge Online FounderForger is where robotics dreamers, builders, and founders unite to brainstorm, design, and forge powerful startup ideas that push automation and innovation forward. $600 in prizes Winners announced 235 participants
Build with Perplexity Comet Online Create AI-powered experiences, research flows and simple automations which will utilize the Perplexity Comet Browser to redefine how we browse, learn, and build. ₹ 4,000 in prizes Winners announced 508 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 14053 participants
IndiaAI Impact Gen-AI Hackathon Online Learn, explore, build Gen-AI Solutions for India Non-monetary prizes Winners announced 3285 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 128339 participants