Y Combinator Summer 2023 (S23) Companies

Flint is an AI-powered platform providing personalized learning tools for K-12 schools, offering student analytics, instant feedback, and AI tutoring across multiple subjects. The platform serves teachers and students with AI-driven features including lesson planning support, differentiated instruction, and adaptive learning activities.

3 investors

Flowise is a drag-and-drop platform for building and deploying AI applications and agents using large language models without coding. It provides modular building blocks, multi-agent orchestration, and support for deployment at scale across cloud and on-premises environments.

1 investor

Fortuna modernizes the infrastructure and consumer experience for Medicaid and government health programs. The company focuses on improving enrollment, eligibility verification, and access to coverage for Medicaid, CHIP, and Marketplace beneficiaries.

2 investors

Foundation builds a customer experience platform for home builders and construction companies, providing native mobile apps and integrated portals to manage buyer engagement alongside back-office systems like CRMs and ERPs.

1 investor

Fragment provides task management and automation software for operations teams at fintech companies, enabling them to supervise AI-driven processes while maintaining human oversight over manual workflows like onboarding and compliance.

1 investor

Giga builds AI agents for enterprise customer support that handle complex conversations across multiple languages with high accuracy. The platform uses natural language processing and customizable policies to resolve customer issues, deflect tickets, and provide insights to improve support operations.

2 investors

Glade develops AI agents and on-device language models for game developers to generate dynamic game environments, characters, and narratives in real time. The company serves game studios seeking to integrate generative AI into their development workflows.

1 investor

Gleam is an AI-assisted data entry tool designed for clinical research sites to move data from source systems into electronic data capture systems faster and with higher accuracy. The product helps clinical research coordinators reduce manual transcription work while maintaining full traceability and coordinator control over data entries.

2 investors

Glide provides cross-chain wallet funding infrastructure for decentralized applications, enabling users to deposit cryptocurrency from any chain, wallet, or exchange without bridges or swaps. The platform streamlines onboarding for crypto products by allowing instant deposits directly to user accounts.

1 investor

Greentally is a carbon footprint platform that combines software with expert support to help businesses track and manage emissions, including supply chain (Scope 3) data. It serves SMEs to large enterprises seeking to meet sustainability and regulatory requirements.

1 investor

Guac helps grocery retailers reduce food waste and increase profitability through AI-powered demand forecasting and inventory replenishment. The company works with grocery stores to optimize their fresh food operations and minimize unsold inventory.

2 investors

HappyRobot provides a platform for deploying autonomous AI agents across complex enterprise operations. The platform helps organizations scale agent-based automation across core business functions, with focus on real-world deployment in fragmented, operationally complex environments.

3 investors

Health Harbor provides AI-powered benefits verification by automating phone calls to insurance companies to retrieve and validate patient insurance information. The service handles IVR navigation, hold times, and agent interactions for healthcare providers and insurers.

1 investor

Bookable Search is a digital platform that helps patients find and book appointments with general practitioners based on availability, clinician gender, and location. The service enables GP practices to surface their capacity and manage patient registration and appointment booking with compliance guardrails.

2 investors

Hegel AI develops open-source software tools that help developers experiment with, evaluate, and monitor generative AI models including language models, vector databases, and image generators. Their toolkit assists in selecting appropriate models, testing prompts, adjusting configurations, and tracking system behavior in live environments.

4 investors

Hiro provides automated security reviews for code and infrastructure, identifying vulnerabilities and generating customer-ready security documentation. The platform serves developers and engineering teams who need to pass customer security assessments.

1 investor

HockeyStack provides multi-touch attribution and marketing analytics software that tracks buyer journeys across online and offline channels, serving B2B marketing and sales teams. The platform enables revenue teams to measure campaign effectiveness, forecast pipeline growth, and optimize go-to-market strategy through unified data integration and AI-powered scoring.

3 investors

HyLight develops hydrogen-powered airships equipped with advanced sensors and AI technology to monitor critical infrastructure including power lines, railways, and pipelines, enabling early risk detection. The company serves utility companies across Europe, helping prevent infrastructure failures and associated disruptions.

4 investors

Hyperbound provides an AI sales coaching platform that analyzes sales calls and creates AI-powered roleplays to help sales representatives practice and improve their skills. The platform serves sales teams and leaders looking to standardize training, provide real-time feedback, and improve deal closure rates.

3 investors

Inari analyzes customer feedback, support tickets, and CRM data to identify product opportunities and customer insights, automatically surfacing relevant information and linking findings to backlog items.

1 investor

Inconvo was a natural language interface for querying data. The company has merged with Attio, an agentic CRM platform.

1 investor

Inlet builds secure AI products for enterprise operations, with prior experience deploying automation solutions in healthcare, insurance, and customer support domains.

1 investor

Inventive AI provides software that automates RFP response generation for sales teams using AI agents trained on a company's existing documentation and knowledge systems. The platform integrates with CRMs and collaboration tools to enable faster, consistent proposal creation and improve win rates.

2 investors

Kapa is an AI agent platform that deploys on documentation sites to answer user questions directly from existing docs and connected sources. It helps documentation teams reduce support load, identify content gaps, and keep answers current through automated source updates.

1 investor