Build, Ship, Shape: Amazon Developer Hackathon Featured Online Build across Amazon Devices and shape what's next. $138,000 in prizes Oct 23, 2026 03:00 PM EDT to submit 55296 participants
RevenueCat Shipaton 2026 Online Ship apps and start making money. $740,000 in prizes Winners TBD 28622 participants
Agents for Humans Hackathon Online Build an AI agent with Strands Agents SDK that handles repetitive tasks $40,000 in prizes Winners announced 9921 participants
Agentic Cinema: The Blockbuster Hackathon Online Lights. Camera. Code. $75,000 in prizes Winners TBD 10110 participants
DIALED IN Builder Challenge Miami, FL, USA Communication, reimagined! $5,000 in prizes Aug 4 – Sep 8, 2026 54 participants
3D Websites Hackathon Online Build the most creative and visually stunning 3D website imaginable. No limits. Just creativity. $55 in prizes Winners announced 1582 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 TBD 12265 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 announced 26417 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46685 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 3062 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 4415 participants
UiPath AgentHack Online Build the AI agents of tomorrow. $50,000 in prizes Winners announced 4003 participants
H0: Hack the Zero Stack with Vercel v0 and AWS Databases Online Front-end in minutes. Back-end designed for scale. $80,000 in prizes Winners announced 9722 participants
FIND EVIL! Online AI threats strike in minutes. Build the defender that responds in seconds. $22,000 in prizes Winners announced 4394 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 3088 participants
Build with MeDo Hackathon Online Build creative applications with MeDo, no coding required. Push the boundaries of what you can create. $50,000 in prizes Winners announced 8346 participants
Agents Assemble - The Healthcare AI Endgame Online Build Interoperable Healthcare Agents at the Intersection of MCP, A2A, and FHIR $25,000 in prizes Winners announced 4297 participants