OpenAI GPT-5 Startup Hackathon

Meet Gentoo - The Oracle of Delphi for Your Shopify Store. For years, our AI Concierge has served millions of shoppers, giving us an unparalleled dataset of…

Electric grid operators are overwhelmed with the data needed to manage complex grid operations, including weather, state-space estimation, network congestion…

Archon is a computer using agent that can control your computer from prompt instructions.

A real-time styling simulator where players dress a 3D character of themselves - or a character of their choice - based on a given theme. The game is a…

Knowledge Visualizer, powered by GPT-5, turns complex concepts into clear, engaging explanation videos. Just paste in any dense industry jargon or book…

Codex for Excel. Sheet Codex lets you run multiple background tasks in parallel to answer questions about your spreadsheet models or update them automatically

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…

🚀 AI Coding Interviewer Real interviews. Real skills. Less hassle. 1. 👩‍💻 Real-world job simulation Work in a real codebase — read, navigate, and…

Video composition application using GPT-5 as a backbone to prompt and create motion graphics from code. Users prompt the visuals they want in natural…

Ref is an MCP server for providing context to coding agents. For this project I explored adding code base indexing. GPT5 wrote a vectordb, graphdb and…

Agentic ai evals at scale is hard. You have to manage infra, eval datasets, agents, and runs. Do it all in one helpful platform with huggingface datasets…

LastApp.ai is AI based true Native Mobile App Builder. But how do we ensure Mobile Apps we built function as expected before users report? As part of…

A universal AI memory layer that persists and recalls context across conversations, tools, and models. Mnemos integrates seamlessly with various LLMs, APIs…

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. tldr: YES!

"Cursur for music". Produce beats with natural language with agentic music production software.

An AI-powered platform that analyzes hackathon judges' backgrounds, expertise, and investment history to generate optimized business idea presentation…

bud.dev is an agent with access to ephemeral Ubuntu VMs that it can run whatever you want. Each conversation gets its own Firecracker microVM. The web UI…

Startups need a fast, low-effort way to onboard and ramp up large numbers of new hires without draining team resources. We delivered an onboarding RPG game…

We built an autonomous agent generator that generates agents by simple natural language descriptions. What is more important is, they can immediately start…

GPT-Twin is your instant portal to AI versions of the people you wish you could actually talk to.

An interactive game builder

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Simulate and generate many projects at scale for hackathons and products in general. Demonstrate coding agents, sandboxes, image generation, map generation…

Most problems in general biology require deep efforts to verify - including expensive one-off trials, experiments, and samples. Fermatic Labs collects…

All your home’s public data, in seconds Enter an address to instantly compile elevation, flood, soils, building footprints, rainfall design data and more…

Dynamic pricing for any marketplace out of the box. GPT5 is the first model that can give you a full ML team for dynamic pricing. We built an easy setup flow…

It is a networking game that helps to gamify boring and tedious networking, So an 8-year-old kid can start networking.

The E-Commerce layer for LLMs

Problem: Applying for a visa is notoriously tedious. It can take days of research, gathering documents, filling out forms, securing appointments, and more…

We built a TriFetch: a fast and clinically structured report generation assistance for any medical images on your desktop

Contract Assistant that showcases how complex contracts can be modified by making inline recommendations.

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…

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…

Executive Summary and Comparison for Hospital Financial Reporting

In today’s generative era—where deepfakes and AI-driven misinformation spread in minutes—FactChecker is essential infrastructure. Powered by GPT-5’s…

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…

We wanted to utilized and highlight the expanded GPT5 context window and improved hallucination. Thus for application, we attempted to optimize the RNA…

AI Cursor is a web app that lets architects, engineers, and project consultants review building plans and documents faster by layering AI intelligence…

Let our customer (e-commerce companies) to create a bundle of product tailored to their query and create an email campaign out of it.

WillWise helps you die smoother. Like TurboTax for end-of-life planning, WillWise guides you through personal, legal, and financial choices with thoughtful…

Remotely Good is a remote-first job board for social impact. We also features AI-powered tools for jobseekers and employers, like resume and cover letter…

Sim2RL: Realistic Persona Generation for AI Agent Training Testing customer service chatbots is hard - you need realistic users, not scripted scenarios…

**GPT-5 powered RTL design understanding through hypothesis and experimentation** WaveSense is an automated tool that uses GPT-5 to understand digital…

I built 'Orbital Sigma', a virtual satellite for market alpha (use cases for Hedge Funds & HFTs)

A No code dashboard builder: Can GPT5 analyze data and present it well? In this project one can upload their dataset, have it analyzed by GPT and presented…

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…

Finzard is an AI-powered learning adaptive tool to teach finance and accounting

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…

We’re building a multi-agent admissions and guidance system that transforms how students discover, apply to, and are evaluated for educational programs…

AI agent which can replace Security team Problem: People vibecode, don't care about Security until they got HACKED!

SnapSync makes every photo you’re in pop up on your phone in seconds — no tags, no chasing, just instant magic.

Intelligent Open Router for Payments We’re building the MCP (Model Context Protocol) server for agentic shopping, enabling Future Shopping Agents from…

Create complete infrastructure

BATS (Browser Agent Test Suite) — an open-source harness for stress-testing browser agents. You describe a scenario (“checkout process with credit card info…

GPT-5 enabled edge-case + frontend testing platform that autonomously navigates and stress-tests web applications like a power user and security researcher…

A transformative Figma plugin that enables natural, multi-modal conversations with an AI designer. "Cursor for Design". Users can communicate their design…

AI assistant for infra

Gullie is helps plan, manage end to end relocations, by replacing relocation consulting companies. It is a vertical supply chain of relocation vendors…

A feature which let's an AI develop and inject MCP servers into webpages as userscripts. This MCP server can then be used by GPT-5 via the mcp-b chrome…

OpenAI's Codex CLI is the best way to run a GPT-5-powered agent. But there is no SDK to run it programmatically, like there is for Claude Code. We forked…

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…

Have you ever had a cool hardware project idea that you wished you could build without any engineering training? Do you have a 3D printer or hobbyist tools at…

GPT-5 can spin up apps in a single shot — but most end up buried in chat threads, unused. I’m building the personal app store for individuals. It has two…

Automatic DSL Generator, using the new CFG API

Create APPs with built in AI features

Sayla turns voice into action.

simple photography website with password protected albums

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…

Cloning a website into a react app

AI PM: AI agent that parses PRD -> task in Jira -> commit

Market research assistant for amateur traders. The goal of this app is to help me access the market information and come up with a profitable training…

Vibe Designer is a Design Agent that turns any GitHub repo into a visually stunning, on-brand product with colored themes —instantly. You give it any…

Have you ever had a cool hardware project idea that you wished you could build without any engineering training? Do you have a 3D printer or hobbyist tools at…

Invisible Chroma-DC Watermarking (Prototype). We embed pilots + payload by nudging U/V chroma DC in fixed ROI blocks. Bits repeat across frames; decode uses…

We help IT admins automate supporting their small business users. One task is to analyze a support ticket, and generate a script to resolve it by taking…

An enterprise agent that executes large document/data workflows by emitting tiny, sandboxed Python against a typed, allow‑listed SDK—batching/paginating work…

Club Coop is a grocery deal & discount agent for consumers. Our assistant Cooper scans weekly circulars/public discount sources from nearby retailers &…

Agent workforce to implement Search and RecSys system for you

We built an AI medical geneticist that can reference >50 biological databases with GPT-5's improved tool calling.

A Support Agent and an assistant to aid farmers to manage their product catalogs and handle agentic workflows via email, text, and chat. This is the PR in…

TaxMCP is a GPT‑5–powered 1040 tax calculation engine and benchmark harness. It orchestrates GPT‑5 with tool calls to authoritative IRS data (exact tax table…

Bleu AI Bleuprint is a drag-and-drop, multimodal workflow builder powered by GPT-5 that lets users design complex AI pipelines without coding. By simply…

3D, audio–reactive visualizer for Spotify tracks.

In this hackathon, we built a small match making system for hackathon builders. Attendees share their Linkedin profile, goals and superpower with us, and we…

I built Launchkit, an easy way for founders to launch on day 1 without marketing experience. Enter a URL and get launch campaign collateral and execution help…

I believe the future of gaming is dynamic

AI-powered, browser-native game engine for building high-quality 3D worlds and physics simulations — instantly, from a prompt. It repurposes Bolt.new from…

Analyzing MRIs with GPT-5 and modeling tumor proliferation through generative models.

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…

PermitPal is a chat-first permitting assistant for San Francisco residential renovations. Powered by ChatGPT-5, it asks a few targeted questions to determine…

Get Paid to Vibe Code

Casual OS is an AI platform that turns natural-language specs into production-ready apps—and runs them safely at scale. It auto-generates architecture (DAG)…