Split across 3 tracks. €2,000 first, €1,000 second, €500 third.
BUILDERS100
A curated cohort of students and developers, application-based.
HOURS36h
Friday evening through Sunday afternoon. Build, train, ship, pitch.
Thesis
zero-one-hack.md
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1-prompt engineering
2-LLM wrapper demos
3-API key speedruns
1+fine-tune on A100s
2+pre-train on Leonardo
3+deploy a real model
Programme
May 29
Friday
18:00Registration
19:30Kickoff
20:30Case Reveal
22:00Hack Begins
May 30
Saturday
11:00Panel Discussion
13:00Mentoring Sessions
14:00Speaker Event
19:00Social Activity
May 31
Sunday
10:00Submission Due
13:30Final Pitches
15:00Networking
16:30Event Closing
02
Partners
MAIN · TRACK PARTNERS
Track 01 · AI in Industry
Track 02 · AI in Insurance
Track 03 · AI in Forecasting
PARTNERS
Community & Compute Partners
Side · Food · Drinks
03
Tracks
3 Tracks · Prize Pool €10K+
Track 01 · Industry · Operations
AI inIndustry
Manufacturing, operations, and industrial systems.
Partner
Track 02 · Conversational AI · Customer Experience
AI inInsurance
Conversational AI and model integration across UNIQA's digital insurance products.
Partner
Track 03 · Forecasting · Decision Support
AI inForecasting
Probabilistic forecasting and the agent layer that acts on it, with Sybilion.
Partner
Speakers · Mentors
Speakers
Industry leaders and AI practitioners sharing insights during the opening, panel, and closing ceremonies.
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TBA
Mentors
Experienced founders and engineers available throughout the hackathon to help teams with technical and strategic challenges.
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TBA
Jury
A panel of experts from industry, academia, and startups evaluating final pitches on technical complexity, innovation, impact, and execution.
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TBA
04
Infrastructure
Computing Infrastructure
Compute
Leonardo Supercomputer
via AI:AT · 64 × NVIDIA A100
Train, fine-tune, and serve real models at cluster scale. 6 nodes, 64 NVIDIA A100 GPUs, ~4 TB aggregate VRAM. No shared queue, no lottery. Your team gets dedicated GPU time across the weekend.
AllocationScheduled access · per team
The Venue
AI:ATFactory
Austria's new AI hub in the 3rd district of Vienna.
01Dedicated Working SpacesTeam desks, power, whiteboards, and private rooms for deep work.
02Breakfast · Lunch · DinnerThree full meals a day on-site. No off-site runs, no wasted hours.
03Sleep On-SiteDedicated sleeping area for when the model needs longer to train.
Waitlist-only invites for early builders, ahead of public applications.
Closed
02
End April 2026
Public Launch
Applications opened to all builders via Luma.
Closed
03
Mid May 2026
Selection
Applications under review. Invites sent 1 – 2 weeks before the event.
Open
04
May 29 – 31, 2026
Hack Weekend
100 builders at the AI Factory, Vienna.
Locked
06
Become a Partner
FOR PARTNERS
Meet the builders.
100 pre-vetted builders, 36 hours, European supercompute. Whether you want to partner on a track, recruit talent, or back the weekend, reach out via the contact form below.
BUILDERS100
HOURS36
TRACKS3
Contact
Let's talk.
Interested in partnering or recruiting from the room?
Drop a short message and we'll reply with next steps.
Typically reply within 48 h
07
Organizers
Organized by
Lumos
Vienna's leading student organization in Data Science & AI. Bringing together students from TU Wien, WU, and Uni Wien since 2019 to learn, build, and collaborate with industry.
Active members30+
Alumni130+
Founded2019
08
FAQ
Eligibility · ApplicationDo I need AI or ML experience?
Mixed skill levels are welcome. You should be comfortable writing code; deep ML expertise is not required. The strongest teams usually combine ML, engineering, and product profiles.
Can I apply solo or do I need a team?
Both are fine. Apply solo and we'll help match you with a team on-site, or apply as a formed team of 2 – 4 builders.
Do I have to be a student? Can internationals apply?
No student requirement — applications are open to students, developers, and researchers worldwide. You cover your own travel.
What happens after I apply?
Applications are reviewed on a rolling basis. Invites go out 1 – 2 weeks before the event with venue details and onboarding.
Rules · JudgingHow will projects be judged?
Judging criteria will be announced with the track briefs. Expect a mix of technical depth, model quality, real-world impact, and the final pitch.
Can we use pre-trained or open-source models?
Yes — open-source models and public datasets are fair game. The point is what you build and train on top, not starting from zero. Track-specific rules will be shared at kickoff.
Do we have to submit a working model, or will a prototype do?
A real, trained model is the bar — this is a supercompute hackathon, not a demo day. A slide deck without a running model will not clear judging. A small model, fine-tuned on real data, with a live demo beats a big model that only half-runs.
Is there a code of conduct?
Yes. All participants follow a code of conduct that keeps the venue inclusive, respectful, and harassment-free. The full document is shared with every invite.
LogisticsWhat should I bring?
Laptop, charger, and a valid ID. Power, WiFi, GPU access, and meals are provided. Bring a change of clothes and a sleeping bag if you plan to crash on-site.
What language is the event in?
English. Kickoff, mentoring, and final pitches run in English so international teams can fully participate.
Can you accommodate dietary restrictions?
Yes — vegetarian, vegan, and common allergen options are part of the standard catering. Specify your needs on the application.
How do I get to the venue?
AI Factory (AI:AT), Karl-Farkas-Gasse 22, 1030 Vienna. Reachable by U-Bahn, S-Bahn, and tram. Directions are included with your invite.
Applications closed 
