OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46685 participants
LA Hacks 2026 Los Angeles, CA, USA Come find your spark at LA Hacks 2026! $24,494 in prizes Apr 24 – 26, 2026 974 participants
SB Hacks XII Isla Vista, CA, USA Make Waves at UCSB's 12th Annual Hackathon Non-monetary prizes Jan 10 – 11, 2026 341 participants
Cal Hacks 12.0 San Francisco, CA, USA This year's Cal Hacks is co-hosted by Claude, Fetch AI, AppLovin, and Amazon's Annapurna Labs! Together we'll assemble in SF for a weekend of hacking, friendship, and crazy ideas. $58,100 in prizes Oct 24 – 26, 2025 2161 participants
WeaveHacks: Agent Protocols Hackathon (MCP, A2A) with Weights & Biases & Google San Francisco, CA, USA Build agentic protocols into your agents, use WB Weave for observability, win a robo dog! $13,950 in prizes Jul 11 – 13, 2025 152 participants
LA Hacks 2025 Los Angeles, CA, USA Expand your horizons at LA Hacks 2025! $60,282 in prizes Apr 25 – 27, 2025 583 participants
TreeHacks 2025 Stanford, CA, USA The largest collegiate hackathon in the U.S. $255,600 in prizes Feb 14 – 16, 2025 827 participants
SB Hacks XI Isla Vista, CA, USA Make Waves at UCSB's 11th Annual Hackathon $7,515 in prizes Jan 11 – 12, 2025 220 participants
ReverieHacks 2024 Online Student powered hackathon for students to make their dream projects come true through generative Ai. $37,200 in prizes Winners announced 131 participants
HackSwift 2024 Online Collaborate with like-minded individuals to make an impactful project for HackSwift 2024 $40,501 in prizes Winners announced 909 participants
QBHacks 2023 Online Create web application to solve real world problems $75 in prizes Winners announced 95 participants
Tech Optimum Hacks 2022 Online Unleash your true potential with Tech Optimum Hacks-2022 $42,500 in prizes Winners announced 298 participants
