October 21, 2025 - Capitol Riot - capitol-riot.com

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People working on their project together outdoors — Teams of vibe coders huddled outside a university lecture hall to game plan their ideas.

Nicholas Cheng/VideoPulse.io

A 24-hour hackathon in Singapore brought together 400 people for an intense vibe coding session.
The event was sponsored by firms like OpenAI and Anthropic, and offered winners cash prizes and swag.
Here’s what the day was like.

As I left the lecture hall at the Singapore University of Technology and Design on Saturday, the 400 people filling the room behind me seemed relaxed, chatty, and ready to get to work.

Fast forward almost 24 hours, and I was met with a rather different scene — a sea of hunched, well-caffeinated vibe coders typing furiously as they raced to submit their work.

They had assembled for Cursor’s 24-hour weekend hackathon, one of Singapore’s largest hackathon events, competing to build anything they wanted using AI tools.

The event, which was sponsored by major AI firms such as Cursor, Anthropic, and OpenAI, offered more than $100,000 in cash and credits for the winners, as well as company swag.

Here’s what the day was like.

My first thought: Who’d spend their weekend hunched behind a laptop screen?

The campus was packed with participants there for the Cursor hackathon.

Shubhangi Goel/Business Insider

I was pleasantly surprised to find that the event had brought together people of all ages and levels of experience, including some serial hackathon winners and others that had never coded before.

The event was sponsored by firms including OpenAI, Anthropic, and Google’s DeepMind.

Workshop happening inside a lecture theatre — Nicholas Cheng/VideoPulse.io

Workshops run by volunteers and employees from companies like Cursor, Google’s DeepMind, and Groq showed participants how to use their tools to build fun and quirky apps.

I met a 13-year-old who was building an AI college guide with his dad and sister.

Usman Asif (L) and Shanzey Asif (R) attended the hackathon with their father.

Shubhangi Goel/Business Insider

The siblings told me they had been encouraged to take part in the event by their dad.

They were building an AI university guidance counselor that can help students pick high school subjects and decide college courses based on their skills.

One organizer showed participants how to vibe code a pet website using Cursor.

Building a pet website with Cursor. — Shubhangi Goel/Business Insider

A college grad said he completed his project in around 2 and a half hours.

A boy showing his vibe coded website — Shubhangi Goel/Business Insider

Rach Pradhan, a recent college graduate who works at an AI startup, told me that he arrived at 11 a.m. and completed his project at 1:30 p.m.

Pradhan used Windsurf to build a tool that can help marketers ensure that their clients’ “voice” remains consistent across marketing campaigns and different social media platforms.

Company swag on offer included T-shirts, stickers, and hats from Supabase and Cursor.

Merchandise from superbase — Shubhangi Goel/Business Insider

Hundreds of dollars worth of free tokens were also available from AI services such as DeepMind and Groq.

There were huge lines for lunch.

Dominos pizza boxes stacked up — Shubhangi Goel/Business Insider

Pizza, burgers, and Teriyaki chicken bowls were on the menu.

12 a.m. to 2 a.m. were peak ‘office hours.’

Students in a lecture theatre smiling at the camera — Nicholas Cheng/VideoPulse.io

The organisers played rave music at 3 a.m. to try to keep the energy up.

Participants sleeping on benches outside the lecture hall — Shubhangi Goel/Business Insider

More relaxed music was playing when I returned at 7:30 a.m. on Sunday.

Man sleeping on the floor in lecture hall — Shubhangi Goel/Business Insider

People had crashed on the lecture hall floor and in the study spaces outside. There were blankets, sleeping bags, and pillows scattered around. One person had even brought an air mattress.

Many participants also carried a ziplock bag with their toothbrush and toothpaste.

147 projects were submitted, and the judges had to pick 15 finalists.

Five organizers speed watching demo videos in the audio visual room to shortlist the final participants.

Shubhangi Goel/Business Insider

Between 9 a.m. and 10 a.m., the organizers watched demo videos to shortlist the finalists. The projects were judged on technical quality, “polish,” execution, and “wow factor.”

The winning submission was an AI art generator that turns finger gestures into brushstrokes.

Outside the lecture hall, coders could finally relax.

One participant fell asleep during the judging period — Shubhangi Goel/Business Insider

Some teams, including RizzedIn.ai, demoed their projects on stage.

A group of four boys, the team behind Rizzedin.ai — Shubhangi Goel/Business Insider

Imagine LinkedIn meets Hinge. RizzedIn built an AI tool that scrapes LinkedIn profiles and matches users based on their professional backgrounds.

‘Too many’ cooks in the kitchen.

The top 3 winners — Shubhangi Goel/Business Insider

After the event, organizers told me that most of the top 15 projects were from solo developers.

One hacker, whose teammate had flown in from the Netherlands to take part in the hackathon, said that he preferred to build alone or in a pair.

He said having four people on a team felt like having “too many” cooks in the kitchen because of how efficient coding tools have become.

An organizer said she clocked just 2 hours of sleep during the event.

Sherry Jiang holding up her fitbit — Shubhangi Goel/Business Insider

After the awards, one organizer, Sherry Jiang, showed me her Fitbit, which said that she had slept just two hours the previous night.

She said she had spent most of her time ordering pizza and coffee, offering people codes for computer credits, and fielding questions from hundreds of stressed coders.

Read the original article on Business Insider

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