The only Korean team to win the award, securing $50,000 worth of OpenAI credit and an invitation to DevDay.
-Development of a system to create digital clones of visitors and simulate sales strategies using GPT-5.
– Supports improved shopping mall sales by linking with its own service, "Gentu."

Wadle Co., Ltd. (CEO Jihyeok Park), which developed 'Gentoo', an artificial intelligence clerk for online shopping malls, announced on the 12th that it took first place among 93 global teams at the 'OpenAI GPT-5 Hackathon' held in San Francisco, USA.
This competition was co-hosted by OpenAI and Cerebral Valley, and the sole Korean team, "Wadle," took home the top honors. The winning team received $50,000 (approximately 67 million won) in OpenAI credit and an invitation to DevDay, OpenAI's developer event, to be held in San Francisco next month.
The Waddle team, consisting of four people including CEO Park Ji-hyeok and engineers Song Jin-tae, Han Sang-do, and Hwang Tae-baek, left the country to participate in the competition and developed a system for generating digital clones of online shopping mall visitors and simulating sales strategies based on GPT-5 in just 24 hours.
In addition, the Wardle team created digital clones of online shopping mall visitors based on conversation data between users and the operating artificial intelligence salesperson 'Gentoo', and implemented a sales strategy simulation system that predicts the performance of ▲new arrivals ▲special events ▲coupons, etc., and received the highest score from the judging panel consisting of leading global VCs such as Sequoia Capital and Conviction, as well as OpenAI officials.
“Implementing the idea in a short period of time and creating a high-quality product is a testament to the team’s execution ability and scalability,” said Park Ji-hyeok, CEO of Wadle. “Through our collaboration with OpenAI, we will supply Gentoo to global e-commerce platforms and revolutionize the online shopping experience.”
Currently, Wadl operates a multi-agent-based B2B SaaS (Software as a Service) solution that supports online shopping mall customers' purchasing decisions, and has attracted investment from Kakao Ventures, BonAngels Venture Partners, and others.
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