Y Combinator Summer 2024 (S24) Companies

Coval builds developer tools for automated simulation and evaluation of agents, targeting developers who work with AI systems. The company focuses on observability infrastructure and user experience for autonomous agent development across industries.

3 investors

CreativeMode is an AI-powered platform that enables players to create Minecraft mods without coding knowledge by describing their ideas. It supports both Java and Bedrock editions and allows users to share their creations or publish them to an in-platform marketplace.

2 investors

d_model develops reinforcement learning environments that train AI agents to conduct interpretability and alignment research on frontier language models. The company partners with AI labs to build agents capable of performing cutting-edge AI safety research rather than optimizing for reward signals.

3 investors

Dataleap provides an AI agent platform that lets non-technical business teams in sales, operations, and HR automate their work without engineering support, using a chat-first interface to build AI agents in minutes.

3 investors

David develops audio datasets for AI applications, serving Fortune 100 companies and research labs working on speech recognition, translation, synthesis, and conversational AI. The company provides multilingual and multi-speaker conversation datasets designed for voice interaction systems.

3 investors

Dayflow is an open-source time tracking and work journaling application for macOS that automatically records and summarizes work activity without manual tagging, giving users a readable narrative of their day. It runs locally on users' devices with optional integration to cloud AI services, prioritizing privacy and data ownership.

1 investor

Decisional provides AI agents that automate operational tasks within existing business software, handling workflows such as expense reconciliation, preventive maintenance, and field service management. The platform pairs general AI capabilities with custom automation agents that build, run, and repair workflows across connected applications.

2 investors

DeepSilicon develops software and hardware tools that enable neural networks to run with improved speed and reduced computational costs.

3 investors

DeepSim provides a physics simulation platform that automates complex setup procedures to accelerate engineering design workflows. The platform uses GPU-accelerated computation to enable engineers to run simulations at unprecedented scale without sacrificing accuracy.

2 investors

A CRM platform that deploys AI agents to handle business tasks like lead intake, email drafting, outbound sales, and report generation, which operate within communication channels and require user approval before execution.

1 investor

DigitalCarbon transforms images and videos into interactive 3D content using AI, enabling realistic product showcases and immersive virtual tours from smartphone photos without specialized equipment.

1 investor

Dimely is a contract-to-cash automation platform that extracts billing and revenue-impacting terms from contracts and order forms, then automates invoicing, revenue recognition, and accounts receivable tracking. It serves finance teams managing contract-based billing and revenue recognition workflows.

1 investor

Diode Computers designs and manufactures custom circuit boards using AI-powered tools, offering services from initial design through volume production for electronics manufacturers. The company provides code-based PCB design, AI-assisted specification generation, and integration with traditional electronic design automation software.

3 investors

Distro builds an AI sales platform for wholesale distributors in HVAC, plumbing, electrical, and industrial sectors. The software integrates with existing ERP systems to help distribution reps with quoting, order entry, invoicing, and customer intelligence while maintaining human relationships as the core value.

1 investor

Dodo operates a multi-agent AI system that handles phone and text communications for clinics, managing tasks like appointment scheduling, prescription refills, patient intake, and follow-up care while integrating with existing clinic software.

1 investor

Domu builds AI-powered collections software for financial services companies to recover payments while maintaining compliance and treating customers respectfully. The platform is designed to handle the full servicing lifecycle with automated engagement, oversight controls, and regulatory adherence.

4 investors

A platform that lets developers create autonomous agents by providing infrastructure for reasoning, state management, and analytics, while offering end users a marketplace and interface to interact with and share agents.

1 investor

Draft The Record uses AI to generate court transcripts and assist with legal research and trial preparation, serving attorneys, court reporters, and transcribers across depositions, trials, and other judicial proceedings. The platform reduces transcript turnaround time and trial preparation workflows through automated transcription and document analysis.

1 investor

DreamRP provides AI-powered tools for creative professionals in entertainment, from independent artists to established studios, prioritizing creator vision over automated content generation.

1 investor

Drillbit provides an AI-powered customer acquisition and job booking system for trade businesses and franchise networks. The platform automates lead generation, scheduling, and follow-up without requiring CRM changes or additional staff, delivering results within existing business systems.

4 investors

Educato is an AI-powered exam preparation platform that uses spaced repetition and active recall to help students worldwide improve their test scores. The platform combines adaptive learning algorithms with AI-driven content generation to personalize preparation for students.

1 investor

Elayne provides AI-powered estate planning and settlement guidance for families preparing for and navigating loss, combining legal tools with compassionate support.

1 investor

Elevate provides data integration and automation software for private equity firms and portfolio companies, enabling system integration acceleration and automated close processes.

3 investors

Ember Robotics provides monitoring and diagnostics software for robots and IoT devices, enabling hardware teams to detect issues early and minimize system failures during development and deployment.

2 investors