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GPT-5 Startup Hackathon NYC

Sep 27, 2025 · New York, NY

Bellhop is an AI Chief of Staff for boutique hoteliers—right in their pocket. Running a boutique hotel is complicated. Hoteliers are on their feet all day…

www.loom.com/…

Fathom is a voice first, AI powered codebase assistant that eliminates the code comprehension barrier for developers. Think of it as the first Siri for…

Fathom project preview

It's a way to maximize ROI on your credit cards...with a finance bro expert helping you out (aka me).

www.loom.com/…

Uses gpt-5 and gpt-5-codex to find and refine unstructured renal dosing guidelines into python encoded clinical rules that then are served at the point of…

www.loom.com/…

Asaply is a lightweight checkout engine that uses GPT-5 to translate natural language into structured orders. Customers describe what they want in plain…

asaply project preview

Tesseract is Devops first coding space that lets you build and modify and deploy webapps with a canvas like design

Tesserat project preview

Minam is the platform that democratizes API creation for knowledge creators. Transform data, insights, and expertise into tiered APIs that pay you every time…

Minam project preview

The Anote Model Leaderboard is a public API-driven benchmarking platform for evaluating large language models (LLMs) across diverse task types. It solves the…

www.loom.com/…

- We built the ContextCity Codex concierge: an Expo mobile experience where Dartagnan guides travelers through city highlights. - GPT-backed workers curate…

ContextCity // one codexierge to guide 'em all project preview

Help the English learner to practice the oral and listening English; Ace the TOEFL Exam.

51EnglishTutor project preview

The GPT Negotiator Agent is an AI-powered financial & legal assistant for the music industry, designed to bridge the gap between creators and the institutions…

www.instagram.com/…

For b2b AI companies to measure their visibility in LLM. Generate brand-visibility briefs by masking provider names and comparing how multiple LLMs (GPT-5…

www.loom.com/…

Glimpse into a world without manual data entry. We fit any data you upload into any template of your choice.

TEMPLATE IT!!! project preview

Memory Playground turns your everyday chats into things you actually want to look at: a front‑page newspaper of your life, a lovingly savage “Roast My Week,”…

nMonica project preview

Team Humor Genome is building Meme Lab, an app that analyzes and remixes memes to explore different humor styles. Meme Lab uses AI to label memes, generate…

Humor Genome project preview

Luxury hospitality is booming, with Ritz, Marriott, and others betting big on branded residences and timeshares. Yet booking still feels like 2005: static…

www.loom.com/…

MergeFund is a GitHub-native bounty platform that lets open-source repositories attach real money to open issues. When a contributor submits a pull request…

MergeFund project preview

Some smaller, specialized models can outperform larger models on specific tasks. What if we have enough coverage from these specialized models to outperform…

www.loom.com/…

What if onboarding flows to products were friendly playful and optimized themselves over time? Vibe Onboarding is an agent that talks to your users to…

screen.studio/…

Rescue is an iOS app that lets you schedule a convincing incoming call exactly when you want it. You pick who’s “calling” and why, and at the chosen time your…

Tooki project preview

Project by Syed Shah (Syedwshah.nyc@gmail.com) & Oleg Savchuk (Oleg.savchuk12@gmail.com). Venue Agents handles the backend logic that works alongside a…

supercut.ai/…

Quick Overview: PatentPilot is a multimodal, multi-agent co-pilot that turns raw invention disclosures (text + optional sketches) into attorney-ready patent…

Agentera (Product: PatentPilot) project preview

HealthInvest AI is a cutting-edge healthcare investment and consulting platform that leverages GPT-5's advanced reasoning capabilities

github.com/…

An end-to-end AI workflow where GPT-5 infers KPIs, Codex generates SQL/Python pipelines, and the Responses API orchestrates reporting-automating product…

NorthStar AI project preview

Ether AI is a voice agent and assistant that helps cloud engineers deploy AWS resources. It can help engineers study cloud infrastructure with a chat mode…

Monolith Labs project preview

Esther, the todo list that does itself

Eraser project preview

The journey from a promising idea to an actual working prototype is long, involves weeks of research and slow development. Aspiring founders and VCs end up…

Mustard Sandwich project preview

CampaignPulse: ViralIQ helps creators and marketers predict if their Reddit posts will go viral before publishing. It analyzes subreddit insights, generates…

Campaign pulse project preview

Continuous ocean monitoring to fuse live sensor data from different sources and data types to action live incident reporting.

Neptune project preview

Using GPT-5 and Codex, we built our Operations Cloud to help our enterprise partners make sense of their data in a practical, actionable way. Every day, as…

navNote project preview

https://mini.gullie.io/ mini dynamic relocation planner! it will plan tasks, search the web to give context on your move, trigger housing searches and pull…

www.loom.com/…

ConvoFlow transforms networking conversations into high-quality, personalized follow-up emails using AI. The problem: generic follow-ups have 15% response…

www.loom.com/…

A comprehensive hackathon-ready personal healthcare discovery platform that combines provider/resource search with AI-powered recommendations (similar to…

www.loom.com/…

GlowingStar.AI reimagines how teams connect with customers by bringing emotional intelligence into every interaction. Today, digital conversations often miss…

screen.studio/…

searching for & rating AI agents

lmarena-wbpzlr.manus.space/…

Code Guardian is a VS Code extension that monitors your code in real time, detects vulnerabilities, suggests fixes, and applies them when you request all…

CodeGuardian project preview

"WDYM" - Agentic memory plus augmentation that lets AI understand what you really want. WDYM remembers your personalized preferences based on previous chats…

www.loom.com/…

Give the average consumer the ability to deploy swarms of agents to save you money on your finances through finding and negotiating better insurance policies…

Swarm Saver project preview

BYOB personalizes learning

BYOB project preview

“Most of us get nervous about singing in front of people—whether it’s karaoke night, the school recital, or even my own performances. I’ve felt that same…

ImprovAIze project preview

We are trying to create a simpler user surface area for finance and accounting professionals to automate excel wrangling. This tool allows them to create…

Lingon Labs project preview

Self-enriching, self-improving database for business intelligence. Sometimes, when you're asking questions of your data, there are gaps in what values are…

www.loom.com/…

all about AI undertsanding people

Dakota project preview

Claryn is an agentic automated ML as a service platform that builds and improves machine-learning models for teams needing instant, auditable outputs without…

Claryn project preview

AI clone with lip sync realtime - web search, computer use and sentiment analysis for loading state expression cloning

www.loom.com/…

Soultrace is an AI-powered application that bridges ancient Eastern wisdom with personal digital identity. It addresses the modern problem of fragmented…

Soultrace project preview

One of the biggest problems in today’s AI-driven recruitment is credibility and transparency, as a result of which the process efficiency also takes a hit…

CareerMojo project preview

1ClickDivorce is a web-based platform that simplifies and streamlines the separation process. With guided questionnaires and AI-powered recommendations, it…

Chetan Khatri project preview

Build a real-time, multi-agent courtroom simulator powered by GPT-5-Codex that allows users to present legal arguments and receive dynamic feedback from AI…

Cerebral Courtroom project preview

Cursor for 2d Video generation

Pixora project preview

StoryFactory uses voice input to capture an outline brief and then a mesh of agents work together to turn it into a detailed brief

Story Factory project preview

In disaster zones, every minute matters. Drones can deliver supplies and locate survivors, but today responders must manually program waypoints or rely on…

AeroAid - Natural Language for Disaster Relief Drone Operations project preview

adds the /agents functionality to codex-cli tool

Composer project preview

Miniapp fully onchain game

Ninja project preview

Cogniforge is an adaptive reinforcement learning environment that lets anyone program robots with plain English. Industrial robots today are brittle: even a 2…

www.loom.com/…

Spawn the backbone of every software, live tools; apis, bots. cron jobs an beyond

www.loom.com/…

DoorDash for dining halls so students don’t need to leave their dorms when they need to lock in.

youtube.com/…

this is a Semantic Memory Chrome extension that creates a local-first browsing memory system powered by GPT-5. It automatically captures and analyzes your…

www.loom.com/…

Paperclip is an app that turns any long-form content (e.g., research paper, Substack blog post) into a series of short-form videos designed to be educational…

paperclip project preview

Building Dexter, a secure and searchable knowledge for consultants. From our consulting experience, we saw that consultants cannot easily share or upload…

Dexter project preview