PayPal AI Hackathon Online Build what’s next with PayPal and AI $67,500 in prizes Nov 12, 2026 03:00 PM EST to submit 23487 participants
Codex x TwitchCon Hackathon Featured 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 Nov 02, 2026 05:00 PM EST to submit 1505 participants
Nebius x NVIDIA Global AI Hackathon Online Build the next frontier of AI on open infrastructure $50,000 in prizes Oct 30, 2026 01:00 PM EDT to submit 28831 participants
Build, Ship, Shape: Amazon Developer Hackathon Online Build across Amazon Devices and shape what's next. $138,000 in prizes Winners TBD 65051 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46670 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 4406 participants
FIND EVIL! Online AI threats strike in minutes. Build the defender that responds in seconds. $22,000 in prizes Winners announced 4387 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 8337 participants
Google Cloud x MLB(TM) Hackathon – Building with Gemini Models Online Build the future of baseball using Google Cloud. $98,700 in prizes Winners announced 7551 participants
Web3 BUILD Hackathon Hosted in Partnership With NEAR Horizon Online Bring Your Web3 Idea to Life! Non-monetary prizes Winners announced 216 participants
Global Hack Week: Games Online Get ready to build (and play!) games at Games week! Non-monetary prizes Winners announced 293 participants
