Announcing our GPT-5 Startup Hackathon in NYC!

This weekend in Flatiron, in partnership with OpenAI. Applications now live!

September 23, 2025

NYC - we’re back with our official OpenAI GPT-5 Startup Hackathon.

We’re looking for NYC’s best startups and founding teams to be the first to build with GPT-5. Compete for a chance to win $50,000 in OpenAI credits! 💸

This hackathon is for startups (pre-seed, seed, series A) to build on GPT-5, with GPT-5. Gain insights from the OpenAI team, meet fellow founders, and show us what you can ship in one weekend.

Demo your projects live for top NYC-based investors, including Vince Hankes (Thrive Capital), Rebecca Kaden (Union Square Ventures), Ian Sigalow (Greycroft), Grace Isford (Lux Capital) and more…

Applications reviewed on a rolling basis & space is limited. Maximum teams of 4. All attendees must submit an application to be approved.

Please note: this event is fully in person in New York City.

Catch you there 👀

The CV Team