You can now register for The Milk & Shake 2027
May 5th 2027 | Sapporo Art Park
CODE48 AI Hackathon
CODE48 Hackathon by TMS is an event where builders come together to make things happen. It is a focused sprint built on trust, with the right tools, helpful mentors, and a space that supports fast progress. It gives people the chance to turn big ideas into working demos quickly.
TMS Hackathon
Launch a startup
from scratch in 48 hours
Move from dream to ideation to final product in 48 intense hours with support and AI leverage
Up to 10X faster
The old startup playbook is dead. CODE48 is a high-octane event that condenses months of development into two days.
Build Together
Connect with other builders and developers to design, build, and launch something real over two days.
Accelerate
Advance your idea or career. Get a closer look at our startups, recruiters, operators and builders to find your next strategic partner, opportunity or team member.
The Process
Apply to join. Build your idea.
Get picked for the finals. Launch your company.
Apply
Apply now to join our community of builders.
Build at Code48
Pick a challenge. Team up. Build an AI product in 24 hours.
Pitch at TMS Summit
The best teams get to pitch their product in front of a live audience at TMS Summit.
Spread your wings
Go from a working prototype to paying customers, investment, and a growing company.
CODE48 AI Hackathon 2027
- May 5-8, 2027
- Sapporo Sosei Square, Sapporo, Japan
Get your build seen where it counts.
The rise of AI is challenging long-standing ways of building software, and the technical barriers that once defined our value are steadily falling away. Stop overthinking and start launching. CODE48 is a 48-hour sprint designed to take you from a blank canvas to a live product. Over two days, you’ll identify a meaningful challenge, validate your solution directly with the market, build a working prototype, and lay the groundwork for a viable business.
- Turn AI ideas into working demos
- Become a founder in 48 hours
- 48 hours of building, pitching and connecting.
- Present to operators and early-stage investors.
Co-organizing Partner: To Be Announced.
A partner for Code48 Hackathon will be announced soon. This partnership will help support the program, grow community participation, and bring more value to the room. It is designed to strengthen the network, improve discovery, and create more momentum for the work being built.
Stronger Together
Partner With Us
Connect with thousands of builders. Show off your tools, find your next hire, or discover great projects to fund.
Find Your Next Hire
Meet developers and creators who can build fast under pressure. It is the best way to see how they really work.
Build Reach
Get Noticed Globally. Share your product with a big community of creators from all over the world.
Real-time Feedback
Watch developers use your product to build their projects. Get instant feedback on what works and what to improve.
Watch what happens when you put passionate dreamers
to work in a timebox.
Schedule
Build for 24 hours,
then watch the best teams pitch.
Build on May 5–7, then join us a day later for the final pitches and awards.
Wednesday, May 5th 2027
- 6:00 PM - Kickoff & Speaker Session
- 6:45 PM - Challenge Reveal
7:00 PM - Building Starts
Thursday, May 6th 2027
- Challenge Continues
Friday, May 7th 2027
7:00 PM - Submission Deadline
Saturday, May 8th 2027
- 12.00PM - Pitch by Finalists (2 minutes)
12:30 PM - Winner Recognition
More Details
Frequently Asked
Questions
Who can participate?
- You are already building things in your free time.
- You solve problems at work that nobody notices. Now, you are ready to build something that actually matters.
- If you are thinking about your future, use these two days to see if starting a company is right for you.
- Absolutely anyone with an idea and a drive to build something that matter.
What can participants expect during the hackathon?
Expect to join a focused creative environment designed to create products that solve some of the world’s current biggest challenges .
What will selected participants gain during the experience?
If you are chosen, first, you will get to join the hackathon. You will be able to use great tools from our sponsors, work with top-tier teams, and meet experts and researchers from TMS Community.