Kiroween 2026 Online Build something wicked and git commit to the darkness. $100,000 in prizes Dec 04, 2026 05:00 PM EST to submit 7350 participants
PayPal AI Hackathon Featured Online Build what’s next with PayPal and AI $67,500 in prizes Nov 12, 2026 03:00 PM EST to submit 27535 participants
Codex x TwitchCon Hackathon Online Build for streamers and their community on Twitch with OpenAI Codex. $25,000 in prizes, and the top 5 are shown on the Codex Booth stage at TwitchCon. $25,000 in prizes Winners TBD 2229 participants
Qloo Agentic Hackathon Online Agents, but with taste. $25,000 in prizes Winners TBD 2993 participants
Nebius x NVIDIA Global AI Hackathon Online Build the next frontier of AI on open infrastructure $50,000 in prizes Winners TBD 29880 participants
Life After Code Online The path to production at the speed of imagination $45,000 in prizes Winners TBD 3323 participants
OpenCV AI Competition 2026, powered by AWS Online Build vision systems that see, reason, and act with OpenCV 5 and Amazon Web Services (AWS). Win money and bragging rights! $20,250 in prizes Nov 10, 2026 02:45 AM EST to vote 6352 participants
Build With AI: Basics Online Learn AI best practices by creating a solid proof-of-concept for your dream project. $2,500 in prizes Winners TBD 5105 participants
Build, Ship, Shape: Amazon Developer Hackathon Online Build across Amazon Devices and shape what's next. $138,000 in prizes Winners TBD 65043 participants
CodeRED: Orion Online Develop and launch your wildest ideas $2,100 in prizes Winners announced 249 participants
LexHack 2026 Online Empowering global student builders to pioneer AI solutions for legal tech, automated law, and AI safety. $74,248 in prizes Winners announced 915 participants
Agents for Humans Hackathon Online Build an AI agent with Strands Agents SDK that handles repetitive tasks $40,000 in prizes Winners announced 9901 participants
Agentic Cinema: The Blockbuster Hackathon Online Lights. Camera. Code. $75,000 in prizes Winners announced 10086 participants
The WebMCP Challenge Online 10 days for exploring what’s possible with WebMCP $35,000 in prizes Winners announced 7042 participants
All Things Agentic Hackathon Online Ready, Set, Agent! Build next-generation agents that run in the background, handle the heavy lifting of massive datasets, and automate complex workflows asynchronously. $180,000 in prizes Winners announced 12259 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 announced 3689 participants
Build with DataHub: The Agent Hackathon Online Build AI agents with DataHub's open-source Context Platform. $20,500 in prizes Winners announced 3052 participants
The Email Game Canada An arena for autonomous email agents. $1,700 in prizes Jul 24 – Aug 1, 2026 146 participants
Hex-a-thon Online Build the analysis you wish existed. Join Hex's virtual hackathon to analyze, build, and explore data with AI — all in one place. $10,000 in prizes Winners announced 1448 participants
LMA EDGE Hackathon Online Loan markets reimagined: practical, commercial, and scalable solutions for the multi-trillion dollar loan market. $25,000 in prizes Winners announced 2073 participants
Vibeathon Bangalore, India India's Biggest Vibe - Coding Championship ₹ 169,998 in prizes Nov 7 – 9, 2025 285 participants
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8635 participants