1st Place
Meet Gentoo
Meet Gentoo - The Oracle of Delphi for Your Shopify Store.
productivity
Gentoo Team, Sangdo Han, Taebaek Hwang +1
Cerebral Valley · OpenAI · 2025-08-09 to 2025-08-11
OpenAI GPT-5 Startup Hackathon
Public gallery: every submissionEvent page ↗
- Projects
- 91
- Winners
- 6
- With repo
- 98%
Winners
2nd Place
Pravāh
Electric grid operators are overwhelmed with the data needed to manage complex grid operations, including weather, state-space estimation, network congestion, bidirectional electricity flow, DER coordination, and asset f
agentsscience
Mohak Mangal, Dhruv Suri
3rd Place
Archon
Archon is a computer using agent that can control your computer from prompt instructions.
agentsvision
Surya Dantuluri
Finalist
FASHNAI
A real-time styling simulator where players dress a 3D character of themselves - or a character of their choice - based on a given theme.
creative/musicagents
Eyal Shechtman
Finalist
BeFreed
Knowledge Visualizer, powered by GPT-5, turns complex concepts into clear, engaging explanation videos.
education
Jiaying Yang, Jisong Liu, Reina Wang
Finalist
Aleph
Codex for Excel.
agentsproductivity
Santiago Perez De Rosso, Martin Beiro, Martin Sione +1
All other submissions
85Ref
Ref is an MCP server for providing context to coding agents.
dev toolsagents
Matt Dailey
MCP-B/WebMCP
A feature which let's an AI develop and inject MCP servers into webpages as userscripts.
dev toolsagents
Alex Nahas
emoCAPTCHA
This project is a CAPTCHA-like authentication system where the user is shown an emoji and must mimic the same facial expression in front of their camera to pass the verification.
vision
Kazuki Nakayashiki
CloudCruise
BATS (Browser Agent Test Suite) — an open-source harness for stress-testing browser agents.
dev toolsagents
Jake Kang, Felix Eckert
Hybro AI
We built an autonomous agent generator that generates agents by simple natural language descriptions.
agents
Kevin Lu, Jerome Tsai
Jason
Automatic DSL Generator, using the new CFG API
dev tools
Jason McGhee
team josh (tollbit.com)
i set out to find out if a multi agent gpt5 system can learn their own language when optimizing a context free grammar constrained output.
agentsscience
Josh Mayer
Wavesense
**GPT-5 powered RTL design understanding through hypothesis and experimentation** WaveSense is an automated tool that uses GPT-5 to understand digital hardware designs by intelligently generating hypothesis, running simu
dev toolsagents
Vivek Pandit
AxionOrbital Space
I built 'Orbital Sigma', a virtual satellite for market alpha (use cases for Hedge Funds & HFTs)
financevision
Dhenenjay Yadav
Yajun
🚀 AI Coding Interviewer Real interviews.
dev toolsagents
Moteo
Video composition application using GPT-5 as a backbone to prompt and create motion graphics from code.
creative/musicdev tools
Sam Inloes, max apple
Align Arena
Agentic ai evals at scale is hard.
dev toolsagents
Michael Yu
LastApp.ai
LastApp.ai is AI based true Native Mobile App Builder.
dev toolsvision
Kumar Mettu
Mnemos
A universal AI memory layer that persists and recalls context across conversations, tools, and models.
productivityagents
Braden Stitt
Team
"Cursur for music".
creative/musicagents
Jusung Park, Andrew Mu
Yoshi
An AI-powered platform that analyzes hackathon judges' backgrounds, expertise, and investment history to generate optimized business idea presentation strategies.
productivityagents
Yoshitaka Hyoda
bud.dev
bud.dev is an agent with access to ephemeral Ubuntu VMs that it can run whatever you want.
dev toolsagents
Adam Williams
Peak Mojo - Animal Onboarding
Startups need a fast, low-effort way to onboard and ramp up large numbers of new hires without draining team resources.
educationagents
Bary Huang, Tian Lan, Ding Li
GPT-Twin
GPT-Twin is your instant portal to AI versions of the people you wish you could actually talk to.
voicecreative/music
John Whaley, Kathy Wang, Shardul Aggarwal
Capes
An interactive game builder
creative/musicdev tools
Robert Amanfu
TEST TEAM
test
dev tools
Waycraft Hackathon Simulator
Simulate and generate many projects at scale for hackathons and products in general.
agentsdev tools
Michael Shuffett
Fermatic Labs
Most problems in general biology require deep efforts to verify - including expensive one-off trials, experiments, and samples.
scienceagents
Raghav Samavedam
Alexey Degtyarik
All your home’s public data, in seconds Enter an address to instantly compile elevation, flood, soils, building footprints, rainfall design data and more — free.
scienceproductivity
Alex Degtyarik
Tumble
Dynamic pricing for any marketplace out of the box.
financeagents
Scott Patterson, Andrew Mwangi
It
It is a networking game that helps to gamify boring and tedious networking, So an 8-year-old kid can start networking.
educationproductivity
Alim Uderbekov
Valuable
The E-Commerce layer for LLMs
productivity
fausto milletari
Problem
Problem: Applying for a visa is notoriously tedious.
legalagents
Eslam Hefnawy
TriFetch
We built a TriFetch: a fast and clinically structured report generation assistance for any medical images on your desktop
healthvision
Varuni Sarwal, Rosemary He
team-
Contract Assistant that showcases how complex contracts can be modified by making inline recommendations.
legalproductivity
Sumeet Khullar
Blueberry
We’ve harnessed the power of GPT-5 to build smarter, more intuitive chat and tool interactions for our Nutrition Tracking app—giving users personalized guidance that feels like talking to their own dedicated dietitian.
healthagents
Terminus
We take natural language prompts and give GPT-5 full control of a Ubuntu 24.04 sandbox and finetuned gpt-oss-20b to convert natural language to bash prompts to get anything done with no technical experience.
dev toolsagents
Tingyu Zhang, Jason Lu, Eden Chan
Smart Reimbursement
Executive Summary and Comparison for Hospital Financial Reporting
financehealth
Cody Smart
Agenrta Team: CertiFy (FactChecker and Information Verifier)
In today’s generative era—where deepfakes and AI-driven misinformation spread in minutes—FactChecker is essential infrastructure.
securityagents
Aura Yavary
Throngs
Throngs is a god simulation game where AI-driven pixel creatures called "Throngs" come to life through GPT-5's language generation, each developing unique personalities and relationships through dynamic conversations.
creative/musicagents
RNA Optimization
We wanted to utilized and highlight the expanded GPT5 context window and improved hallucination.
sciencehealth
AI Cursor
AI Cursor is a web app that lets architects, engineers, and project consultants review building plans and documents faster by layering AI intelligence directly on top of them.
productivityvision
Saket Kulkarni
Envive AI
Let our customer (e-commerce companies) to create a bundle of product tailored to their query and create an email campaign out of it.
productivity
Brian Young
WillWise
WillWise helps you die smoother.
legalfinance
Flo Ye, Lucas Chen
Remotely Good
Remotely Good is a remote-first job board for social impact.
productivity
Theresa Anoje
Sim2RL
Sim2RL: Realistic Persona Generation for AI Agent Training Testing customer service chatbots is hard - you need realistic users, not scripted scenarios.
agentsdev tools
Darius Emrani
Nocodedash: Can GPT5 analyze data and present it well?
A No code dashboard builder: Can GPT5 analyze data and present it well?
dev toolsproductivity
Hrishikesh Kamath
Dignifi
This web app uses AI to simplify the birth certificate fee waiver process, offering three ways to fill out the form: a conversational chat, a plain text description, or a traditional form.
legalaccessibility
Terran Chow
Finzard
Finzard is an AI-powered learning adaptive tool to teach finance and accounting
educationfinance
Pablo Moreno
uiAgent
Our startup builds AI agents for accountants, so a significant amount of our time is spent talking to clients and mapping automation workflows for them.
productivityagents
Mostafa Al Mohammad, Valentin de la Pena
Argus
We’re building a multi-agent admissions and guidance system that transforms how students discover, apply to, and are evaluated for educational programs.
educationagents
Srishti Lodha, michael weiler
PentestGBT - AI Security Agent
AI agent which can replace Security team Problem: People vibecode, don't care about Security until they got HACKED!
securityagents
Illia Oleksiuk
SnapSync
SnapSync makes every photo you’re in pop up on your phone in seconds — no tags, no chasing, just instant magic.
visionproductivity
Derrick Siu
Orchaim
Intelligent Open Router for Payments We’re building the MCP (Model Context Protocol) server for agentic shopping, enabling Future Shopping Agents from platforms like OpenAI, Visa, and Perplexity to safely initiate, rerou
financeagents
Dhruv Miyani
WShaachi
Create complete infrastructure
dev toolsagents
Dilip Adityan
Pressure
GPT-5 enabled edge-case + frontend testing platform that autonomously navigates and stress-tests web applications like a power user and security researcher.
dev toolssecurity
Diya Girish Kumar, Nikhil Srivastava
Imagine
A transformative Figma plugin that enables natural, multi-modal conversations with an AI designer.
creative/musicvoice
Kedaar Rentachintala
Actbot
AI assistant for infra
dev toolsagents
Adi Sharma, Omkaar K, Akshay Iyer
Gullie
Gullie is helps plan, manage end to end relocations, by replacing relocation consulting companies.
productivityagents
Rachael Annabelle Yong
OpenAI's Codex CLI
OpenAI's Codex CLI is the best way to run a GPT-5-powered agent.
dev toolsagents
Archie McKenzie, Ernest McCarter, Fernando Aviles +1
Botaflow
Botaflow is a copilot for frontend development that lets anyone, especially people who don’t code, build and validate app flows through a guided experience.
dev toolsagents
Igor Rocha
Arda
Have you ever had a cool hardware project idea that you wished you could build without any engineering training?
robotics/hardwareagents
Alex Fu, Thomas Lambot, Taylor Sihavong
Tamagotchi
GPT-5 can spin up apps in a single shot — but most end up buried in chat threads, unused.
dev toolsproductivity
Anudeep Yegireddi
pisuke
Create APPs with built in AI features
dev toolsagents
vivek shukla
Sayla
Sayla turns voice into action.
voiceagents
Kunal Shah, Danny Soos
Photos GPT
simple photography website with password protected albums
creative/music
yuriy dybskiy
Spellbound Hypeforge
I ended up using GPT-5's new capabilities to generate just-in-time interactive experiences for advertisements: think publishing a mini-game that references events that *just happened* in your favorite show within *minute
agentsproductivity
Selali Adobor
Operative
Cloning a website into a react app
dev tools
Erik Quintanilla, Christopher Settles
AI PM
AI PM: AI agent that parses PRD -> task in Jira -> commit
productivityagents
Jiahui Jin, Xinyu Zhang, Blaire Xinyu Pang
backtestGPT
Market research assistant for amateur traders.
financeagents
Stepan Arsentjev
Vibe Designer
Vibe Designer is a Design Agent that turns any GitHub repo into a visually stunning, on-brand product with colored themes —instantly.
dev toolscreative/music
Tianwei Yue
edgetrace
Invisible Chroma-DC Watermarking (Prototype).
security
Kyle Orciuch
Rollout AI
We help IT admins automate supporting their small business users.
dev toolssecurity
Neil Satra
Agent-E : the glass‑box enterprise agent
An enterprise agent that executes large document/data workflows by emitting tiny, sandboxed Python against a typed, allow‑listed SDK—batching/paginating work and streaming every tool action for audit and compliances like
securityagents
Karthik Ramasamy
Club Coop
Club Coop is a grocery deal & discount agent for consumers.
financeproductivity
Matt R, Cait Hammack
Advicehub
Agent workforce to implement Search and RecSys system for you
dev toolsagents
Mayank Singh, Agastya Kapoor
Reticular
We built an AI medical geneticist that can reference >50 biological databases with GPT-5's improved tool calling.
healthscienceagents
John Yang, Charlie Luo, Vineet Sharma +1
Farmhand
A Support Agent and an assistant to aid farmers to manage their product catalogs and handle agentic workflows via email, text, and chat.
agentsproductivity
Charlie Davis
TaxMCP
TaxMCP is a GPT‑5–powered 1040 tax calculation engine and benchmark harness.
financeagents
Pryce Yebesi, Cadi Zhang
Bleu AI Bleuprint
Bleu AI Bleuprint is a drag-and-drop, multimodal workflow builder powered by GPT-5 that lets users design complex AI pipelines without coding.
agentsdev tools
Joe Li, Matthew Li, Radostin Cholakov
Stems Labs
3D, audio–reactive visualizer for Spotify tracks.
creative/musicdev tools
Haitham Mengad, Nick Brandes
Walnut AI
In this hackathon, we built a small match making system for hackathon builders.
agentsproductivity
Nicole Huang, David Shao
Markit
I built Launchkit, an easy way for founders to launch on day 1 without marketing experience.
productivityagents
Devan Sood
Dynagame
I believe the future of gaming is dynamic
creative/musicagents
QEM Labs
AI-powered, browser-native game engine for building high-quality 3D worlds and physics simulations — instantly, from a prompt.
dev tools
c13-pyruvate
Analyzing MRIs with GPT-5 and modeling tumor proliferation through generative models.
healthscience
Adam Blumenfeld, Sachin Naik, Suganthi Alagumalai
Butler agents for b2b sales
We're building agents to agents communication for software procurement, outsourcing all teh back and forth, with human figuring in only for the final payment.
agentsproductivity
Ankit Maloo, Jatin Sandilya
PermitPal
PermitPal is a chat-first permitting assistant for San Francisco residential renovations.
legalproductivity
Nico Maffey
Clad Labs
Get Paid to Vibe Code
productivity
richard wang, Kevin Le
Casual OS
Casual OS is an AI platform that turns natural-language specs into production-ready apps—and runs them safely at scale.
dev toolssecurityagents
Viraj Sanghani