


We will hold the Final Stage of the "Governor's Cup Open Data Hackathon 2026" on October 17, 2026.
We have published the First Stage submissions and the finalists of the "Governor's Cup Open Data Hackathon 2026."
We have published the themes proposed by Tokyo residents.
At 17:00 on July 27, 2026, we closed the entry applications for the "Governor's Cup Open Data Hackathon 2026". Thank you very much to everyone who applied.
Thank you for participating in our hackathon theme survey. The results will be published in early August.
We will hold recruitment events (2 sessions total) on the theme of generative AI and hackathons. Submit questions for speakers using the hashtag.
Thank you for sharing the themes you'd like to see tackled at the hackathon. We have selected themes based on your responses.
Please note that submissions falling under the following categories have been excluded.
Results have also been organized and processed before publication.
1. Content that identifies a specific individual or organization
2. Content that infringes on the property or privacy of a specific individual or organization
3. Content that infringes on the copyright of a specific individual or organization
4. Content involving opinions that violate laws, acts contrary to public order and morals, or that are linked to criminal activity
5. Content intended for commercial or profit-making purposes
6. Any other content deemed inconsistent with the purpose of this survey

Here are three highlights for this year. Let's create services that connect to society.
This year, hackathon themes will be collected from Tokyo residents. This allows participants to tackle challenges starting from the voices of the residents themselves.
In addition to the Governor's Cup (Grand Prize), the awards have been revamped to a total of 8 prizes, including an Audience Award. There are more opportunities to win from a variety of angles.
Generative AI tools and service deployment environments will be provided free of charge to participants who apply. Supporting the challenges of participants from all backgrounds.


GovTech Tokyo, Executive Director and CTO
Kufu Company, CSO
Director General, Bureau of Digital Services, Tokyo Metropolitan Government
Eukarya Inc. CEO
HEART CATCH Inc. CEO / Producer
Vice Governor of Tokyo Metropolitan Government

Participation in all scheduled dates is optional. For the hackathon, online participation is available in addition to attending in person at the venue. If online participation is also difficult, you may simply submit your work and present at the First Stage.
You will need to prepare slide materials for your presentation at the First Stage (recorded session). You are also required to record a presentation of the prototypes and other deliverables developed during the hackathon period.
As stated in "3. Application Requirements" of the application guidelines, it is required to "plan to use open data or private sector data." The use of private sector data is also highly encouraged, so please make use of various data sources and actively participate in this event.
Upon registration and application, participants will receive a Cloudflare Paid plan equivalent (service deployment environment) and OpenCode (with LLM set) as a generative AI development tool, provided through the end of September. Finalists advancing to the Final Stage will also receive an open badge and Tokyo Points 500pt.

Governor's Cup Open Data Hackathon Management Office (Trustee: Mizuho Bank, Ltd.)
Sponsored by:
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