Hack with VoiceOS | $5k in OpenAI Credits

Luma Event Link • 1st Place: $3,000 • 2nd Place: $1,500 • 3rd Place: $500 • $500 Prize • $100 Prize Fuel your build, connect with incredible builders in the SF ecosystem, and win a share of $5,600 in prizes. Space is limited to 100 builders, secure your spot today! Calling all students, creators, builders, founders, PMs, and engineers to push the boundaries of Voice AI with VoiceOS. VoiceOS is an AI Voice assistant designed to let you build, act, and control applications entirely by voice. Come with an idea, build it over the course of the day, and pitch live to our YC judges & more! All Participants Get: Free 1 Month VoiceOS Subscription + Custom Affiliate Link Try VoiceOS and get started: voiceos.com ―――――――――― 🏆 PRIZES: • Best Product (OpenAI Credits): • 1st Place: $3,000 • 2nd Place: $1,500 • 3rd Place: $500 • Best Video Demo (Cash Prize): • $500 Prize • Best VoiceOS Feedback (Cash Prize): • $100 Prize 🪎 HOW PRIZES WORK? Best Product • Awarded to the strongest overall voice-first product based on usefulness, execution, creativity, demo quality, and a number of other criteria. Best Video Demo • Create and share a video on social media (Instagram, LinkedIn, X, TikTok, etc.) The eligible video with the most views by the announced deadline wins. Participants may use an existing account or warm up their Social media account before the event. Paid views, bots, and artificial engagement are not allowed. Best VoiceOS Feedback • VoiceOS will launch on Product Hunt during the hackathon. A personal Product Hunt account created before the event is required to participate. To enter, upvote and leave thoughtful feedback on the VoiceOS Product Hunt launch page. The winner will be selected based on the quality and usefulness of the feedback, not on upvotes. ―――――――――― 🗓️ AGENDA: • 🚪 10am - Doors open, networking, find your team (2-5 members) • 📣 11am - Opening ceremony & Keynote kickoff • 🛠️ 12pm - Building Begins • 🍽️ 1pm - Lunch break (on us) • 💻 2pm - Back to building • 🎤 6pm - Demos • 🎖️ 7pm - Prizes (judged by YC Founders & more) ―――――――――― 👥 JUDGES: • Jonah Daian - Cofounder @ VoiceOS (YC P25) • Kai Brokering - Cofounder @ VoiceOS (YC P25) • Maksim Liashch - Founder @ Whisper AI Bot (500k+ users) • Kasim Inan - Cofounder @ A1mobile (Backed by General Catalyst, Menlo Ventures, etc.) • Darryl Foong - Cofounder @ A1mobile (Backed by General Catalyst, Menlo Ventures, etc.) • Henry Ndubuaku - Founder @ Cactus (YC S25) • Andrey Marey - Cofounder @ AgentWeb (Backed by Pareto) • Egor Kuzmichev - Cofounder @ AgentWeb (Backed by Pareto) ―――――――――― 🤝 SPONSORS: • a1mobile: An AI native phone carrier that replaces traditional mobile service with AI that talks, texts, and handles tasks for you. • Lightberry: Brains for robots, enabling them to listen, speak, and act autonomously through natural voice commands. (Just like in Star Wars!) • Convex: An open-source full-stack reactive backend that handles database, sync, and serve logic for modern web applications and AI agents. ―――――――――― 📍 WHERE & WHEN: • Location: Frontier Tower 11th floor • Date/Time: Sunday (8/9/2026) 10am - 8pm ―――――――――― 🍕 FOOD & DRINKS: • Lunch and refreshments will be provided! ―――――――――― 📜 TERMS & POLICIES All attendees must sign a short participant agreement (2 min) — we'll have QR codes at check-in, so you can do it when you arrive. It covers our code of conduct, a liability release, a media/recording release, and IP terms. You keep full ownership of everything you build. Read it in advance here: Link Want to skip the door step? Sign early: forms.gle/UoJtEa9f4ghVYZE47 Photos and video will be taken and may be used to promote the event. Voice will be recorded during demos. Email Kai@voiceos.com at least 48h ahead for a photo opt-out. 🥗 Dietary restrictions or allergies? Email Kai@voiceos.com by Wednesday Aug 5 so we can order accordingly. Prizes are provided by our sponsors and subject to sponsor terms; substitutions of equal value may apply.…