Kiroween 2026 Featured Online Build something wicked and git commit to the darkness. $100,000 in prizes Dec 04, 2026 05:00 PM EST to submit 10849 participants
SafeSpace Hacks Online Build a little more peace of mind. Create anything that helps people, communities, or systems stay safer. $280 in prizes Nov 22, 2026 05:00 PM EST to submit 359 participants
Learn AR with SPECS Online Learn to design for glasses. Your coding agent builds the Lens, no SPECS required. $2,500 in prizes Nov 09, 2026 05:00 PM EST to submit 1235 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 2217 participants
CodeSprint by Elite Coders Online A month-long open-source building challenge where you turn an idea into a working MVP, build in public, receive mentorship, and compete for a spot at the final pitching in Dehradun ₹ 30,000 in prizes Voting opens soon 396 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 announced 5096 participants
Build, Ship, Shape: Amazon Developer Hackathon Online Build across Amazon Devices and shape what's next. $138,000 in prizes Winners TBD 35463 participants
RevenueCat Shipaton 2026 Online Ship apps and start making money. $740,000 in prizes Winners announced 28560 participants
Agentic Cinema: The Blockbuster Hackathon Online Lights. Camera. Code. $75,000 in prizes Winners announced 10085 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 12258 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 26393 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46657 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 9575 participants
Mind the Product presents World Product Day: Everyone Ships Now Online World Product Day 2026: 30 days, one community, and the AI tools to finally build the thing. PMs, designers, engineers, the curious... welcome! $10,000 in prizes Winners announced 1306 participants
FIND EVIL! by Rob T. Lee Online AI threats strike in minutes. Build the defender that responds in seconds. $22,000 in prizes Winners announced 4387 participants
Google Cloud Rapid Agent Hackathon Online Building Agents for Real-World Challenges $60,000 in prizes Winners announced 14429 participants
Optimization Grand Challenge 2026 Magokjungang 8-ro, South Korea A global optimization competition by LG CNS — solve the Grand Shipyard Puzzle and compete for KRW 200M in prizes! $103,000 in prizes May 25 – Jun 8, 2026 205 participants
Amazon Nova AI Hackathon Online Build your way with Amazon Nova $40,000 in prizes Winners announced 13270 participants
Gemini Live Agent Challenge Online Redefining Interaction: From Static Chatbots to Immersive Experiences $80,000 in prizes Winners announced 11817 participants