Tech Company CollectionsY Combinator Portfolio Companies

Propolis is an Information Technology company that simulates real users via swarms of autonomous browser agents that test for you.

Bluejay is the platform for AI agent quality assurance. Reducing development processes from days to minutes, preventing performance regressions, and identifying issues before entering production.

Opennote is an edtech company that offers an AI-powered platform for interactive learning experiences.

Contrario is a managed hiring network helping growth-stage startups and enterprises fill hard roles fast. They fill critical roles faster with AI-powered expert recruiters who deliver high-signal candidates quickly. Contrario white-glove delivers top candidates by pairing proprietary AI models with recruiter workflows to filter noise and surface only the best-fit talent.

Casco validates security, safety, and accuracy of AI apps and agents. Continuously.

StarSling is one interface that automates all the tasks that eat up your time after you’ve left your code editor: deployments, performance, incidents, and bugs. Open your homepage, click on a GitHub, Linear, or Sentry issue and you’ll see an Autofix button that triggers an agent and opens up a Pull Request with a fix, all without leaving your portal.

Pave Robotics builds robots that repair roads. Their first product, 'Tracer', seals cracks in asphalt faster, cheaper, and more efficiently than traditional crews.

Tinfoil provides provable security for AI workloads, bringing the security guarantees of on-prem to the cloud.

Corefin is an open-source lending platform that enables technology businesses to create and market lending solutions.

Lumen Space offers cloud computing and data relay to satellites in space. The company's mission is to accelerate downlink times by processing data in orbit.

Reprompt is the control panel for production AI systems.

Toma is a software company currently based in New York City, New York, United States. It has been founded in 2024 by Anthony Krivonos, Monik Pamecha, and Junyu Huang.

Blume Benefits is an insurance broker management platform that converts complex insurance quotes into clear and concise formats.

EdgeTrace makes video data easily available and actionable for important businesses.

Revyl is an AI-enabled QA platform that allows teams to create, run, and maintain fully functional, automated E2E tests easily with no maintenance.

Hestus is a Software Development firm offering AI powered software to speeds up the development of hardware.

Polymet is an AI Product Designer, helps teams create well-designed user interfaces and prototypes without any design experience. You explain what you want or provide an image, and Polymet will design it for you and provide production-ready front-end code for those designs.

BuiltRight helps home service businesses generate their website faster, better and cheaper than ever before using AI.

Amber is an extension of your post-sales team, providing context for each customer and action.

Lucite is a finance productivity software that automates research and presentation creation for investment bankers, investors, corporate finance teams, and consultants.

Astrix builds AI purchasing agents for healthcare providers. Astrix helps providers secure better deals on recurring medical supplies, equipment, and pharmacy orders by using AI to find the best offers from reputable vendors. Powered by generative AI, Astrix aggregates and normalizes data from millions of sources, delivering actionable pricing insights for buyers and sellers alike. Our team brings expertise in building AI systems from Palantir, Oxford, Duke Health, and MedStar Health. Backed by Y Combinator, Astrix operates globally from San Francisco, NYC, and London.

Olive allows companies to generate internal tools connected to their data sources with AI.

USUL is a modern government intelligence platform that provides software solutions.

RetailReady specializes in streamlining retail compliance through directed workflows that eliminate the need for traditional paper SOPs and spreadsheet tracking. By digitizing warehouse processes, which traditionally relied on extensive manuals, into a more accessible mobile app format, RetailReady aims to reduce the financial burden of retailer chargebacks on brands and third-party logistics (3PLs). The company leverages AI to revolutionize retail fulfillment strategies, offering insights into common pitfalls in meeting retailer requirements and providing a 360-degree view of the in-store customer journey. RetailReady's solutions are designed to enhance the efficiency of supply chain, fulfillment, and logistics operations.

CrowdVolt is a platform that allows fans to swap tickets to live events via a two-sided, bid-ask system, beginning with raves and EDM concerts.

We transform audio into intelligence — building proprietary data and cutting-edge audio analytics to fuel the next generation of AI.

Taxo leverages AI to automate medical billing and coding for healthcare providers, accelerating claims processing while significantly reducing costs.

Tergle builds AI agents for auditors. Book a demo today!

ProSights is an AI-powered enterprise search platform designed for investors.

Find out if Crustdata is the right fit for your future career! Explore jobs, salary, equity, and funding information. Read about work-life balance, perks, benefits, and the company culture!

Thorntale is the first presentation program developed for data storytelling.

Agentic Labs is integrating AI into software design and architecture to alleviate pain points. Although there are many tools available to developers today for quickly developing code, the most difficult and labor-intensive aspect of software engineering is building the systems that integrate this code.

PathPilot offers an AI-powered platform that analyzes session replays to reveal user insights, UI issues, and improvement recommendations.

Arini is an AI receptionist for dental practices that answers phone calls, and schedules appointments.

And AI is a platform for managing patents, helping attorneys and inventors streamline searches and claim drafting.

Blacksmith is a company that helps businesses to conduct their continuous integration (CI) up to twice as quickly and at half the expense. Blacksmith accomplish this by running CI on powerful gaming CPUs.

Airfront automates the manual tasks directly from the inbox by using artificial intelligence.

Haplotype is a startup that improves human health over time by dramatically improving the security, accessibility, and sophistication of population genetics software and polygenic risk scores.

Pretzel AI is a cutting-edge, open-source substitute for Jupyter Notebook designed for data scientists and analysts that solves a number of persistent problems with Jupyter. It emphasizes AI, fosters collaboration, provides a contemporary development environment, and is fully open-source.

Piramidal offers artificial intelligence software that transforms brain activity into easy-to-understand health data to help diagnose neurological diseases.

Aedilic is a transportation service provider offering Storage services with drone delivery.

Spur works in automation of all functional codes and E2E testing.

SimCare AI is a healthcare technology firm that is using artificial intelligence to revolutionize clinical training.

Ocular is a Cloud and Artificial Intelligence company, backed by Y Combinator, bringing Enterprise AI and Search to the Workplace and Engineering.

Canvas AI is an AI based Software Development firm that offers Copilot for Customer Success.

Ergo empowers modern sales teams to maximize efficiency, enhance pipeline accuracy, and drive predictable growth by automating CRM updates and surfacing actionable insights. The Ergo CRM Automation Platform captures and integrates customer interactions, streamlines data management, and powers workflows that eliminate manual processes and improve team productivity. Businesses rely on Ergo to keep their CRM up-to-date, ensure sales data consistency, and unlock their revenue potential with smarter, faster sales operations.

Vespper is an AI 24/7 operational engineer. it automatically troubleshoots incidents and alerts, links to sources and helps you find the customer impact quickly. Whether your organisation is going through growing pains, need a better handle at dealing with SEV0 or have too many low priority unsolved issues. Vespper will adapt to your needs to democratise expert knowledge across your org

Ply Health’s platform delivers a better and faster contracting and credentialing experience. Using our tech + automation and behavioral health expertise, we've been able to get providers in network with payers weeks to months faster than other vendors. Ply Health partners with physical practices, digital practices, build-your-own-business platforms and new provider entrepreneurs in behavioral to magically simplify data collection, enrollment submission, follow ups and record keeping. Ply Health is backed by YCombinator and is based in San Francisco.

OneGrep is an artificial intelligence company that provides insights to improve team observability data and streamline the engineering operations

A software solution that aggregates spot freight opportunities for medium-to-large carriers

nCompass Technologies is a platform for accelerating and hosting open-source and custom AI models. It offers low-latency AI deployment without rate-limiting. All with just one line of code.

FanCave is the platform that allows all fans to directly offer recruits and participate in all opportunities with athletes.

ClaimSorted is a modern claims TPA providing a 5-star claims experience while also reducing operational and indemnity costs through our industry-leading claims team and advanced automation

Oma Care is to empower, assist, and compensate people who care for our most vulnerable citizens—family caregivers.

Pap! automates refund claims by scanning email receipts, recovering billions owed to consumers from price drops and flight delays.

CopyCat automates repetitive tasks in your browser. It’s an application layer built to create and execute workflows for browser-based tasks, making your work faster and more efficient.

GoldenBasis is a B2B fintech company that aims to help self-clearing firms receive account transfers with AI.

Just words is a software company that makes it simple to create self-optimized content variations for emails and advertisements.

Superfilter is a companion that manages your inbox with the intelligence of an executive assistant. It never misses an important email, suggests follow up actions, and handles things like meeting coordination and quick replies in one click. Superfilter is for founders and executives who want to: * Spend less time checking email. * Never drop the ball on high priority messages. * Delegate email related tasks.

Mentra’s mission is to employ 100,000 talented neurodiverse individuals by 2025. Join today to close the autism employment gap as a candidate, recruiter, or vocational rehabilitation center. Founded at Georgia Tech by disability advocates, Mentra's aim is to create an accessible future for those on the autism spectrum, including Asperger's syndrome, ADHD, OCD, Dyslexia, and other learning disabilities.

Leaping autonomously into the code is a recipe for bugs and errors. Instead, trust the tested code fixes for a reliable and successful solution.

AI-powered operating system for short-term rental hosts

Taiki is an API that automatically pulls tax documents and data from payroll and financial institutions using AI.

Octolane AI is an artificial intelligence platform that rebuilds salesforce with the power of AI.

Yondu is a robotics engineering firm offering AI models for diverse robotic applications, including a voice-controlled drone.

Linkup connects large language models (LLMs) and AI agents to the internet. The platform enables AI systems to access, search, and interact with web content efficiently, enhancing their capabilities and reducing inaccuracies. By providing APIs, Linkup allows developers to integrate web content into AI applications seamlessly.

Aidy is an AI assistant that helps to find, qualify, and apply for U.S. federal grants. It can quickly check the project's eligibility and competitiveness across various grant programs, and assist in filling out forms and drafting documents with AI.

K-Scale Labs is a robotic engineering company specializing in creating open-source humanoid robots.

OpenFunnel provides AI agents that help Go-To-Market teams find potential customers by detecting real-time intent signals from the internet.

Pickle generates lifelike AI clones that allow users to join video calls without using a camera. Our AI avatar lip-syncs to the user's voice in real-time, replicating their facial expressions and interactions with near zero latency.

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Open-source framework to accelerate development tasks with AI

Alacrity is a company that assists businesses in preventing ATOs (account takeovers) by offering a range of multi-factor authentication tools that provide both security and a positive user experience.

Pipeshift is a modular orchestration platform for building with open-source AI components—embeddings, vector databases, LLMs, vision models, and audio models—across any cloud or on-premise. Enterprises get to deploy their AI workloads in production faster and more reliably.

Arva AI (LinkedIn) makes onboarding onto a bank/fintech as a business 100x faster and significantly cheaper. We've built a highly compliant AI agent that instantly handles all low/medium risk manual KYB work in real-time as a customer is onboarding, cutting reviews to seconds and ops spend by 80%.

Browser Use is a software company currently based in San Francisco, California, United States. It has been founded in 2024 by Magnus Müller.

dScribe AI serves the function of analyzing any video online using only its link. dScribe AI takes care of the demanding work of managing audio and video content for social media, so you can concentrate on what matters for your business. dScribe AI has you covered, whether you're a developer wanting to incorporate social media analysis into your app, a business aiming to gain a better understanding of your audience, or an enterprise in need of mass brand protection.

Hamming AI is an experimentation platform that helps teams build reliable AI products.

Kabilah streamlines shift change for nurses with an AI-powered assistant that replaces paper reports.

Operand is an AI consultant for consumer brands. We're generating 6 figure returns in P&L impact for early clients.

Pickle is a mobile application that enables its users to share photos of food with others. The application allows its users to view, upload, and share photos of food from restaurants with others. Users can then landmark the food picture to the location it was purchased from. The application is available for iOS and Android platforms. Pickle was launched in 2013 by Ben Thomas and Barthelemy Menayas and is based in California.

careCycle is an AI workforce for Medicare agencies and FMOs, supporting top agencies in their operations.

Elevate AI is a Purchasing API tool that provides Financial infrastructure for AI agents.

Fortuna streamlines Medicaid navigation for consumers, covering eligibility, enrollment, and renewal processes seamlessly.

Serial is software to help root cause manufacturing issues in seconds.

FlowiseAI is a UI visual tool that offers component integrations and language translation using LLM Chain with chat prompt templates.

Texel.ai provides tools and APIs that allow you to encode or decode video and optimize AI models.

Enabling women's health providers to start, grow, and operate their own practices.

Sonia is lowering the cost of mental health treatment to a fraction of what it is now and making it available to everyone, anytime, anywhere. The App Store now features the Sonia iOS app.

Aether Energy is an AI-powered end-to-end platform for rooftop solar installers

VetRec is an AI based clinical notes taking software for for veterinarians.

Guac is the creator of an artificial intelligence-powered demand forecasting platform that predicts client demand.

Sizeless develops platform to support machine learning teams with automatically running, testing, and optimizing their models.

Autotab is a desktop app that trains AI to automate repetitive and complex tasks after just one demonstration.

Silimate is a developer of automation platform designed to streamline chip design workflows.

PropRise provides access to real-time rental comps, source-motivated sellers, and underwrites efficiently to acquire more communities.

Security and compliance for LLM Applications & Agents

Dawn is the analytics platform for AI products specializing in converting user interactions into actionable insights.

Over the last decade, our team has built and scaled content channels in some of the most competitive verticals (ex. insurance, personal loans, b2b SaaS). Today, we are building a toolset for content teams to scale their content channels faster and drive more traffic from organic search.

Vectorview makes it simple to assess the capabilities of foundation models and LLM agents. We accomplish this by creating bespoke task evaluators that check for safety and benchmark performance.