YC Fall 2024 Data Room

Afternoon.co empowers founders to make better business decisions with real time financial metrics. We pair managed AI bookkeeping and tax services, to reduce administrative burden on founders. Accountants struggle se…

Tired of switching tabs to cursor every time you're building your iOS app in Xcode? Worry not! Alex is a sidebar app that works directly with Xcode, and has the same Cmd+L, Cmd+K, and Apply Code commands as Cursor.…

Apolink is building the world’s most interoperable satellite relay network in low Earth orbit. Our hybrid communication architecture combines RF and optical inter-satellite links to enable real-time, continuous connectiv…

Archil transforms S3 buckets into a 30x faster, unlimited, local disk. Archil enables AI, analytics, and serverless applications to instantly access massive data sets without waiting for data transfer. Researchers use Ar…

ArchiLabs is building an AI co-pilot for architecture. Instead of spending hours on tedious tasks, architects can 10x their design speed with simple AI prompts. Brian and William met at Carnegie Mellon as engineers an…

Asha Health is building the future of self-learning generative AI for healthcare.

We’re a research lab that puts its ideas to the test in one of the most complex, information-rich environments in the world: the financial markets. If you care about learning systems, clean abstractions, and applying …

AutoComputer is a desktop robotic process automation system.  Given just a text prompt, our AI automates tedious tasks such as financial data entry by performing all the clicks and keystrokes for you.

Avora helps dental groups (DSOs) boost case acceptance and institutionalize clinical excellence. We deploy agents that listen to appointments, identify coachable moments, and chart notes to save provider time.

BrowserBook makes it easy to reliably automate the web. It's a Jupyter-style IDE for browser automation that combines a live browser, executable code cells, and an AI coding assistant to generate Playwright scripts that …

Most relationships, romantic or platonic, don’t end in one moment, they drift apart over time. Missed check-ins, surface-level conversations, busy lives, and routines replace real connection. Candle helps couples and fri…

Engineer agents to scale your GTM, all automatically orchestrated by AI across your stack

Capy is an AI software engineer that ships dozens of features in parallel. It works end-to-end - autonomously triaging issues, executing code in isolated VMs, and pushing PRs to GitHub.

Careforce builds AI Workers for healthcare orgs to take on coordination burden from staff and reduce time of care by autonomously identifying and outreaching patients (through phone, text, email, & mail) to schedule visi…

Cekura helps Conversational AI companies with automated QA. From pre-production simulation and evaluations to production call monitoring, to assisting customers in setting up the CI/CD pipeline, we help in QA across the …

Charm makes sending money as easy as sending email. Most people juggle multiple payment apps and scattered balances. Charm lets you pay anyone — no matter what app they use — and earns you 5% interest on your balance, au…

Chat with Codebuff to edit your codebase. It's a coding agent that can iterate and run terminal commands, just like a real engineer! We are going up-market from Cursor, starting at a $49/mo price point. Codebuff choos…

CollectWise automates consumer debt collection with AI. Our platform allows creditors and agencies to double their recovery rates while reducing collection costs by 75%.

Consus is your single source of truth for government specifications, standards, or handbooks. We verify the active revision of documents, notify you when documents are updated, and make it easy to extract the relevant in…

The AI platform that has everything you need to build, monetize, and deploy full-stack websites in minutes. Beautiful UIs, auth, database, payment processing, deployments, and more natively integrated in one place.

Crouton is the living map of your organization. It’s for founders and operators at growing companies who need to understand how people, teams, roles, and ownership actually fit together. Today they piece this toget…

Crustdata provides live company and people data via APIs and full dataset delivery. We make hard to get data easy to use at scale. Customers use us to build their AI agent platforms and applications over our trusted d…

Enterprises are paralyzed by the risks of deploying generative AI. Traditional methods like RAG and fine-tuning are brittle, expensive, and fail to prevent costly hallucinations or guarantee compliance in high-stakes env…

Curo enables electric vehicle fleets to lease EV chargers. We do this by providing a standardized process so that any EV charger owner can host a fleet, such as an office building overnight when their employees go home. …

We're building a protocol for large language models to directly interface with image sensors.

AI procurement agents built for European enterprises. Automate intake, sourcing, contracts, due diligence, and 3-way match.

Diffusion Studio Pro is a browser based non-linear editor (NLE) that uses WebCodecs and WebGPU to deliver smooth, pro level performance. It brings the modern UX of tools like Figma and Framer to video editing, making it …

Durate helps physician groups, clinics, and hospitals eliminate coverage gaps and create personalized schedules. Our platform auto-syncs with existing systems and uses smart automation to build optimized physician schedu…

Edgedive is the agent that triages & debugs your eng team's oncall issues to reduce mean-time-to-resolution (MTTR). It: - Automates your oncall runbook for incoming issues to provide an impact assessment, root cause, …

At Ember, we're tackling one of healthcare's most costly and overlooked challenges: the massive inefficiency in clinical documentation and revenue cycle management. Medical practices lose billions annually due to incompl…

Forerunner is an AI-powered platform for aircraft maintenance, repair, and overhaul.

Fresco helps construction superintendents take 1000s of pages of notes, 10x faster. We automate the process of completing progress notes and punch lists, reducing time requirements from hours to minutes. Superintendents …

Email sucks. It takes forever to go through, and hiring an assistant is costly and invasive. Friday is building the assistant that learns how to predict the action that you will take on your emails, and does it for you. …

FutureClinic is a platform that makes it easy for any doctor to open their own digital clinic. Our AI assistant takes a comprehensive medical history using an empathic chat or voice-based interface, uses sophisticated me…

Ever been confused by a block of AI-generated code? Gait is a Cursor and VS Code extension that will let you view the prompt that generated code. Continue off of your coworker's conversations, view analytics on your AI c…

Galini guardrails-as-a-service filter harmful inputs and outputs based on company policies and industry regulations. We make it easy for enterprises to create, test, deploy and refine guardrails. With Galini, product an…

Gander is building AI-powered technology that allows private jet operators to coordinate, maintain, and monetize their fleets all in one place.

We built Gecko for teams that want to build secure code quickly without wasting time on security tools that don’t deliver results, or relying on one-time human pentests that quickly become outdated. Gecko uses AI to unde…

Getcho is a local delivery platform for high-value goods. We are building a high-reliability delivery network on top of high-volume, unreliable fleets, just like how TCP builds reliable end-to-end networking on top o…

HealthSpark empowers physical therapists (PTs) to start, run, and grow their own independent practices. Our AI-native “business-in-a-box” takes care of the administrative work—credentialing, insurance billing, patient on…

CodeLayer is an OSS IDE for managing coding agents, built with proven workflows to solve hard problems in complex codebases.

HYBRD helps you get stronger and faster. It pulls in all your training data, from every wearable and workout tracking app you use, and uses it to personalize training plans specifically to you and your goals Existing …

We make personal AI robots - general-purpose physical machines that anyone can program with code, language and demonstrations. We believe building open platforms like the first PCs this is the only way to bring the ro…

ISSEN is an AI conversational language app that helps you become fluent. Your on-demand voice tutor is personal to you, adapting lessons and chats to your particular interests, learning style, and goals. Our mission is t…

Karmen is an AI assistant for construction project managers. We integrate with their emails, project management software and ERPs to automate admin tasks like invoice processing and approvals. One construction company…

Keye is an AI software that lets private equity firms do due diligence for acquisitions faster and more accurately. Our customers can evaluate 10x more deals and fund better companies which leads directly to better ret…

Lightscreen’s voice + video AI interviewer enables companies to identify and invest in genuinely skilled candidates. It's already being used by high-growth startups and recruiting agencies to screen technical candidates.…

Lingo.dev helps dev teams use LLMs for app localization and content translation. Lingo.dev Compiler helps React developers localize apps without rewriting the existing code. Lingo.dev CLI helps web and mobile teams use A…

Loombotic is automating wire harness manufacturing.

We’re building the first AI-Native Compliance Firm for RIAs, wealth advisors, and fintechs. We're doing this by blending AI workflows with veteran ex-regulators so we can keep firms SEC/FINRA-ready in minutes, not day…

We're building Matcha, the faster, smarter way to hire clinical talent—helping hospitals find active, qualified candidates at a fraction of the time and cost of job boards or headhunters. Matcha engages candidates at …

Melder is an Excel add-in that brings AI functions and document support into your spreadsheets. Upload files directly into cells, use smart formulas like =GEN, and build automations—all without leaving Excel. Core fea…

Metreecs helps retailers plan, buy, and allocate products using AI-demand forecasting. We prevent overstock and out-of-stock situations, allowing clients to eliminate waste, free up capital, and drive higher sales.

We are building state-of-the-art SLAM, perception, and spatial understanding models that leverage vision alone to map, interpret, and interact with the world.

OpenFunnel is the Search Engine for GTM. Searching for "B2B SaaS, 501-1000 employees, uses Salesforce" - is just targeted spam. Even if you get creative with LLMs to query these databases, everyone has access to th…

Origami is an AI-powered spreadsheet to find and enrich your ideal customers. Find your perfect customers with AI, start free → origami.chat Used by sales teams at CBRE, Clipboard Health, Remote.com, and more.

Pearson builds AI agents to automate corporate transactions. Large law firms use us to run gigantic books of businesses with AI, reducing their cost of delivery 40-60%. We work with Orrick as our first design partner, st…

We are building workflows to help developers go from finding and closing development sites to getting a building permit faster. PermitPortal accelerates the most critical parts of the pre-construction phase: finding the …

Platus delivers fast, reliable legal infrastructure with a no-code platform and API, designed to support SMBs with instant access to notarization, legal drafting, e-signing, and workflow automations. Our solution removes…

Raycaster is an AI document workspace - think Cursor for regulated content, starting with life sciences teams to draft, edit, and review submissions much faster.

Relvy provides AI-powered debugging notebooks that help software engineers investigate and resolve incidents faster. It finds the root cause in over 70% of alerts automatically, and when it doesn’t, engineers can easily …

Reticular helps pharma companies discover drugs with AI models like AlphaFold by making them steerable, just like you can prompt LLMs. Today, limited validation data means companies spend millions on failed experiments t…

Revi helps Investment Banks, PE firms, and Corporate Development teams source new deals. We do this by using agentic workflows to replicate their end-to-end deal origination process, entirely removing the trade-off be…

RevisionDojo is building the AI study platform students actually obsess over. Our platform houses pre-loaded question sets, study notes, mini-lessons guided by an AI tutor that adapts to each student individually.

Revyl is a AI-native mobile testing platform that automatically catches and triages bugs before they reach production.

RiskCube (YC F24) is an AI-native insurance brokerage for venture-backed startups. We simplify the complex U.S. insurance landscape with digital transparency, multi-carrier comparison, and plain-English policy breakdowns…

Riveter is Lovable for web scraping. With a single API, agents can search, scrape, and structure data from the web. Customers like Snapchat and OpenAI use us them enrich datasets using Riveter's AI search agents that…

Roundabout Technologies makes AI-powered traffic lights, allowing cities to reduce pedestrian deaths, improve traffic, and reduce resident complaints. Our founding team has experience building safety-critical embedded sy…

Rulebase builds AI coworkers that help banks and fintechs review 100% of customer interactions in real time. Our agents flag compliance breaches, high-risk issues, and quality gaps across calls, chats, and emails — then …

Ryvn provides the devtools and infrastructure to easily deploy any workload, on any cloud, and on-prem. Run apps in your own cloud and offer Bring Your Own Cloud (BYOC) to your customers in minutes, with built-in observa…

Sandra AI is building the AI operating system for car dealerships, replacing clumsy legacy software with an AI-native, automation-driven platform. Founded by 3 McKinsey, HEC & MIT alumni who met 10 years ago at Ecole Pol…

Smooth is an AI browser agent that can perform actions autonomously on the web using mouse and keyboard. It’s the most reliable browser agent yet, while also being 5 times faster, and 7 times cheaper than any other brows…

Sphinx automates the manual work of compliance analysts. Our AI agents make AML decisions, helping banks and fintech eliminate onboarding bottlenecks.

Reliability on autopilot. Free you team to build what's next.

Stewdio is a collaborative platform for creative teams to use all the latest image + video generation models in one place. Music video directors, ad agencies, and architects use Stewdio to create everything from rap vide…

https://streamable.run

Sunset can track down bank accounts, retirement accounts, investment accounts, property and more for families after losing a loved one. Sunset will close those accounts and move the money into a Sunset estate account to …

At Hive we worked on a product called Gencraft, an ai art generator we ramped from 0 to $1M ARR in 6 months. This inspired us to build supercontrast, an AI Copilot which empowers anyone to create and refine high quality …

Surge is Stripe for telephony. Our team has experience building telephony software at billion dollar scale. Because of increased regulation, Twilio and other SMS APIs take weeks to onboard new customers, but we can get s…

Symphony helps enterprises train their customer-facing employees using interactive AI voice simulations of real-world scenarios. Users can create an infinite number of simulations that allow their teams to practice the j…

Choose a coding agent harness, model, and task dataset and optimize context and prompts to get the best performance for long-horizon tasks

telli is building AI voice agents that convert leads into sales opportunities for B2C companies. For example, a leading home-buying platform is using telli to fully automate their pre-qualification. We are serving cus…

At Tiny, we’re building a new kind of ERP system for factories where AI agents automate repetitive workflows. Made for the four million factories still primarily relying on Excel. LLMs now unlock their troves of siloed u…

Unusual helps brands discover and change how AI models talk about them. Unusual surveys models with thousands of targeted probing questions to understand how they form their opinions. We examine the sources they pull …

Creative intelligence

The AI-native document editor for long-form content. Create, edit and review with full end-to-end traceability and full searchability of your source documents. Perfect for regulatory, compliance and legal professionals.

The world's best AI web app builder, implementing a radically unique architecture that lets us completely outperform the competition in complexity, reliability, scalability, and more. We are 7x cheaper and are positioned…

Vortexify AI is a platform for building fully operational AI workflows tailored to supply chain operations. Deploy specialized, task-specific AI bots in days — not weeks. Our platform streamlines the creation of AI bots …

x1 helps anyone build a real, native iOS app — step by step. You describe what you want to build, and x1 generates a clear plan that takes you from idea to App Store. Each step ships a real feature and explains how th…