Kasper Mathiesen (kasper-mathiesen)

Denmark

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
940 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!

$12,000 in prizes
Oct 27, 2026 02:45 AM EDT to submit
837 participants

Hack Apertus

St. Gallen, Switzerland

Welcome to the first stage of «Hack Apertus», an open-source hackathon series to evaluate, align, and build on Apertus, Switzerland’s sovereign LLM.

€8,010 in prizes
Oct 1 – 16, 2026
182 participants

RevenueCat Shipaton 2026

Online

Ship apps and start making money.

$740,000 in prizes
Oct 01, 2026 02:45 AM EDT to submit
21622 participants

Agents for Humans Hackathon

Featured

Online

Build an AI agent with Strands Agents SDK that handles repetitive tasks

$40,000 in prizes
Sep 14, 2026 08:00 PM EDT to submit
6078 participants

CALL-E: Your Code Is Calling

Online

Turn your code into an AI agent that makes real phone calls.

$10,000 in prizes
Sep 14, 2026 11:45 AM EDT to submit
2590 participants

Agentic Cinema: The Blockbuster Hackathon

Featured

Online

Lights. Camera. Code.

$75,000 in prizes
Sep 09, 2026 05:00 PM EDT to submit
8766 participants

Hack for Humanity | Summer 2026 (+13 non-cash prizes)

Online

AI for Mental/Physical Health and Concussion Recovery

$100 in prizes
Sep 04, 2026 11:45 PM EDT to submit
1235 participants

The WebMCP Challenge

Online

10 days for exploring what’s possible with WebMCP

$35,000 in prizes
Sep 03, 2026 04:00 PM EDT to submit
4140 participants

DevNetwork [API + Cloud + AI] Hackathon 2026

Santa Clara, CA, USA

Join the nation's largest challenge-driven API + Cloud + AI hackathon @ API World 2026!

$39,500 in prizes
Aug 17 – Sep 3, 2026
1218 participants

All Things Agentic Hackathon

Featured

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
Aug 31, 2026 08:00 PM EDT to submit
11632 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 TBD
26467 participants

OpenAI Build Week

Online

Join a global week of building with Codex

$100,000 in prizes
Winners announced
46719 participants