Y Combinator Fall 2024 (F24) Companies

Ryvn provides infrastructure and platform software for enterprises operating mission-critical systems in healthcare, finance, defense, and other high-consequence domains. The company enables organizations to deploy and manage software at scale across isolated customer environments.

2 investors

Sandra AI develops AI agents and software for car dealerships that automate customer interactions across calls and messages, as well as sales and aftersales operations including billing, scheduling, inventory, and CRM management.

2 investors

Smooth is a serverless browser agent API that autonomously performs web tasks like scraping, testing, and workflow automation. It delivers enterprise-grade reliability, performance, and security for developers integrating automation at scale.

1 investor

Sphinx builds AI agents that help banks and fintech companies detect fraud and verify identities during customer onboarding, replacing manual compliance processes and catching synthetic identities and deepfakes. The platform assists financial institutions in compliance and know-your-customer (KYC) operations.

1 investor

Stewdio is a collaborative platform that aggregates image and video generation AI models for creative professionals, serving music video directors, advertising agencies, and architects.

1 investor

Streamable provides live streaming infrastructure and server technology for content creators, enabling multi-platform broadcasting to services like Twitch and YouTube with features like drop protection, smart buffering, and vertical format support. The service targets individual streamers and creators who broadcast in-real-life and desktop content across multiple platforms simultaneously.

1 investor

Struct is an AI-powered on-call agent that automatically investigates and resolves engineering alerts and incidents by integrating with observability platforms, alerting systems, and work tools. The platform serves software development teams to reduce manual incident triage and allow engineers to focus on shipping.

1 investor

Sunset helps families locate and manage investment accounts, mutual funds, ETFs, bonds, and other financial assets held by deceased individuals across US brokers and custodians. The platform automates asset discovery, handles transfer paperwork, and can set up estate bank accounts for consolidating and distributing inherited assets.

3 investors

Supercontrast provides AI-assisted tools for creating and editing digital designs and visual assets. The platform targets individuals and teams looking to generate design work with machine learning support.

1 investor

Surge provides an SMS API for developers to add text messaging to applications. The platform emphasizes ease of use with intuitive APIs, clear documentation, and simplified carrier registration processes.

1 investor

Symphony provides an AI platform designed for insurance companies to train, augment, and automate frontline operations. The platform enables real-time decision guidance, staff training, and task automation for insurance frontline representatives.

1 investor

Synth provides tools for applied AI research and development, enabling developers to build prototypes, run evaluations, and optimize AI software both locally and on cloud infrastructure. The platform combines open-source components with managed cloud services.

1 investor

Telli provides an AI voice platform that builds and deploys autonomous agents for sales, customer support, and operations tasks such as appointment booking, lead qualification, customer engagement, and payment collection across multiple languages.

2 investors

Tiny builds an ERP platform that uses AI agents to handle routine manufacturing tasks for factories, targeting the large share of production facilities still dependent on spreadsheets and unstructured data systems.

1 investor

Unusual provides AI model evaluation and optimization services for brands. The platform helps companies understand how AI models perceive their brand and recommends positioning and content changes to improve recommendations from generative AI systems.

1 investor

1 investor

1 investor

Vespper builds a document infrastructure platform for regulated industries, with initial focus on pharmaceutical and clinical workflows. The platform serves regulated organizations handling sensitive documents in highly compliance-driven environments.

1 investor

An AI-powered platform for building web applications using a proprietary architecture designed to handle complex projects with high reliability and scalability at lower cost than competing services.

2 investors

Vortexify is a platform that generates custom operational software for manufacturing and supply chain teams, enabling them to build, deploy, and run data-driven applications without managing infrastructure.

1 investor

x1 is an AI-powered app studio that guides builders through structured stages—planning, design, build, QA, launch—to create and launch working iPhone products. The platform serves app creators and non-technical founders who want to turn app ideas into monetizable mobile businesses.

2 investors

1 investor