Y Combinator's Generative AI Portfolio

Pleom builds AI-interactive hardware devices and moves quicker than OpenAI to own the conversation.

Slashy is an AI assistant that automates repetitive tasks by integrating with tools like Gmail, Slack, Notion, and JIRA, saving users time.

Halmos Labs is a scalable and verifiable auto-research system that exposes assumptions and deductive processes.

IvyCheck is a AI driven cybersecurity company that offers enterprise teams a tool for extracting hidden insights from data.

WonderTx is an AI-native biotech discovering oral drugs for validated human biology traditionally requiring injectable treatments.

Unsloth makes reinforcement learning and finetuning easier and more efficient.

Writesonic is as AI Search Growth Engine that helps brands win customers from AI search.

LedgerUp is an AI bookkeeper who understands business and is as accessible as sending an email.

Vespper is the first MCP for docx documents

DreamRP empowers creators to engage fans through ethical AI, turning characters into chatbots for interactive storytelling.

Gauge helps companies show up in AI answers.

Camfer builds AI mechanical engineer that helps humans design, test, and improve 3D models on CAD platforms.

Dataleap is a Software Development firm offering an AI Assistant for through market research.

Melty offers an open-source AI code editor that helps engineers write production-ready code and better understand coding.

Jarmin offers machine-learning engineering services to help companies build and deploy AI/ML systems.

Within turns how a company actually works into structured, AI-ready context, then puts agents to work alongside people. Formerly Klarity.

Your AI co-worker designs expert studies, interviews real people and instantly analyzes your videos.

Complir is a compliance platform designed for the retail sector to help businesses manage regulations and improve product compliance.

Zoltar Labs provides AI-assisted tools to automate customer support.

AfterQuery develops training data solutions for frontier AI and foundation model development.

Akon Labs develops GitNexus, a code intelligence engine for software engineering agents.

Induction Labs builds foundation AI models that learn from human-computer interactions to execute tasks autonomously.

Waddle Labs builds LLM agents and generalist software infrastructure designed for real-time robotics control and learning.

Familiar Labs is an AI-powered translation lab that makes high-quality video dubbing with voice and lip-sync across 30 languages.

Amorphic Labs develops AI agents that create personalized product demo videos for sales and customer success teams.

Experiential Labs provides an open-source AI gateway that unifies cloud models, self-hosted hardware, and custom API keys.

Rekursiv AI develops autonomous systems that hypothesize, perform research, and design machine learning experiments.

Instaplay turns text prompts into playable browser games that users can create, publish, share, and play.

AI Customer Service Platform for Enterprises

HappyRobot provides AI workers and automation software for enterprise workflows, communication, and operational process management.

Faster, cheaper Github runners and AI powered software delivery insights

Algen Biotechnologies is a therapeutic discovery company that builds a platform to decode functional gene networks.