List of Y Combinator S23 Batch companies
Name | Description | Industry | Official Website | Location | ||
|---|---|---|---|---|---|---|
OpenPipe is a company developing tools to convert large language model (LLM) prompts into fine-tuned models. | ||||||
Converge is an AI-powered concrete management and decarbonisation platform founded in 2014 by Raphael Scheps. | ||||||
Inari is a biotechnology and agricultural technology company | ||||||
Epsilla is an open-source vector database using an approximate nearest neighbor (ANN) index leveraging parallel graph traversal technology. | ||||||
Kite is an artificial Intelligence company founded in 2020. | ||||||
Sweep is a developers of carbon emissions tracking software. | ||||||
HockeyStack is a San Francisco-based company founded in 2021 by Buğra Gündüz, Arda Bulut and Emir Atli. | ||||||
Campfire is a San Francisco–based B2B AI-native ERP platform founded by CEO John Glasgow in 2023. It automates accounting and revenue workflows—general ledger, invoicing, multi-entity close—with AI-driven insights, scaling finance teams and complementing legacy ERPs. | ||||||
Core is a Texas-based company founded in 2014. | ||||||
Developer of AI-powered verification and utilization reporting platform for healthcare companies. | ||||||
Mocha (formerly Srcbook) is a Y Combinator (S23) AI-powered no-code app builder that let non-technical users describe an idea in natural language and generate real full-stack web apps with authentication, a database, backend and one-click deploys. Founded in 2023 in San Francisco by Nicholas Charriere and Ben Reinhart, it pivoted from the Srcbook TypeScript notebook in 2024. The company announced in May 2026 that it is winding down, with the product shutting down on August 1, 2026 and user apps migrating to Anything. | ||||||
Lysto is a company founded in 2021. | ||||||
Affinity is a San Francisco-based company founded in 2014. | ||||||
Craftwork is a full-service home painting company that uses software to dramatically improve the homeowner and operator experience. | ||||||
AI-driven operating system (OS) for supply chain enterprises | ||||||
Fortuna Health streamlines Medicaid enrollment, recertification, and eligibility processes using AI-driven tools. Designed for health plans and providers, its platform improves access to care, reduces administrative burden, and helps millions navigate complex public health benefits with speed, clarity, and dignity. | ||||||
Greenlite streamlines fintech and banking compliance using AI to assess company activities from financial statements and platform data. | ||||||
AI copilot to help the attorney draft, prosecute, and harvest high-quality patents efficiently | ||||||
Outset is an AI-based interview tool that analyzes the qualitative research landscape using ChatGPT to conduct in-depth interviews. | ||||||
Sweetspot is a New York City-based artificial intelligence company, founded in 2023 by Sachin Subramanian, Philip Kung and Andrew Arkhipov, that provides an AI-powered platform to help businesses discover, manage and respond to U.S. government contracts. | ||||||
Energy optimisation platform for commercial buildings. | ||||||
AI-driven collaborative inbox platform for humans and agents | ||||||
HyLight is a small unmanned hydrogen airships manufacturer founded in 2022 by Josef Rokusek, Martin Bocken, Thomas Laporte and Théo Hoenen. | ||||||
Orbio is a track methane emissions via satellites founded in 2021 by Jack Angela. | ||||||
Quack AI helps large software companies run like the most efficient open source projects. Our AI-powered IDE extension guides developers through the best steps to make a smooth contribution, regardless of the team they're from. |
