AI Assistant Startups funded by Y Combinator (YC) 2026

We're building AI Passport, a personal memory layer that works across AI apps. Every AI product you use today keeps its own memory of you: ChatGPT has one, Claude has one, and every AI-powered app is starting to build one too. None of them talk to each other, you can't see most of what they've stored, and you re-explain yourself to each new tool. AI Passport replaces those scattered profiles with one card you own. Your preferences, history, and goals live in one place, and new information lands in an inbox where you approve or reject it before it's saved. Apps that want to use your context request a pass, which grants them access to only the categories you allow and can be revoked at any time. Receipts show you exactly which app read what, and when. For a user, this means any AI app can know you from the first message. For a business, personalization works in both directions: a storefront can retrieve a customer's taste, sizes, and budget and personalize instantly instead of running an onboarding quiz, and a support organization can keep one memory of each customer across tickets, teams, and agents, so every new case starts with what the company already knows about the person.

Amulet helps post-sales teams monitor every account and automate the work that drives retention and expansion. Our agents connect to customer data (CRM, support, product usage, and communication data) to flag churn risks, surface upsell opportunities, track adoption, and draft the right messages for each customer.

Shepherd automatically ingests every tool your team uses into one unified memory you can index, and your agents can act on.

The Imperfect app pulls your data to create a personalized AI coach for your next race. It adapts your training, recovery, and nutrition to how your body is actually responding.

Sidekick is an AI-powered SMS assistant for frontline workers in manufacturing, auto dealerships, and retail. The idea came from Justin's father, who owns a manufacturing facility and asked him to build a tool to help with worker onboarding, training, and organizing company knowledge. Workers text questions in any language and get instant answers from their company's documents — no app, no login, works on any phone. They can send photos of equipment for instant identification or voice memos when their hands are dirty or they're wearing gloves. Managers upload documents and record video walkthroughs; Sidekick automatically generates step-by-step tutorials and a searchable knowledge base. When Sidekick can't answer, it escalates to the manager via SMS and learns from the response, getting smarter with every interaction.

We automate the entire end-to-end prior-authorization process for private practices for cheaper, and more accurately than they're doing today.

A personal AI HUD that lives in a pair of glasses. Think Jarvis. It reads your email, runs your calendar and puts directions in your eye. 25 grams, no cameras, all day.

Supafax is an AI agent that lives in your inbox and proactively manages your email and calendar.

item connects to all your customer tools, gathers and enriches context automatically, and becomes your company’s source of truth — one place where your team and your AI agents share the full picture to act autonomously. At the center is the Assistant — your sidekick for daily work. It can send follow-ups, research leads, or add deals with a simple prompt. No complex UI, drop-downs or fields, simply ask. For repeatable work, you build Agents that you can train like new hires, simply by writing documents that describe your processes. item Agents run business processes across sales, support, and account management autonomously.

We build AI that runs carrier operations. Lunavo is the AI assistant for carriers. It plugs directly into their existing toolstack, understands their processes, and monitors all incoming data and requests. Lunavo runs end-to-end backoffice operations, handling repetitive tasks, resolving issues autonomously, and escalating only what matters. Lunavo helps carriers scale operations without scaling headcount.

Logical is a desktop AI that acts as a proactive and largely promptless copilot, designed to reduce the friction of using AI for everyday tasks. It transfers context across apps, and allows taking action on many apps with just a few clicks. Logical can assist with drafting emails, writing docs, noting meetings and can even automatically detect action items. Need to prompt? Logical can understand intent in much fewer words than a regular chatbot. Plus, user data is never sent to Logical servers. Logical is the AI resurrection of Clippy, but actually good.

Bron is the ChatGPT for sports betting. Find +EV bets across 150+ sportsbooks and prediction markets, build parlays automatically, and surface the best bets of the day — in seconds. Download Bron on the App Store here: https://apps.apple.com/us/app/bron-ai-sports-analysis/id6761323087

If you’ve got a lot to do, we believe AI can make things feel doable. Caddy is our core product: a Personal AI that helps you stay on top of everything going on. All you have to do is text. On overwhelming days, it’s super simple to just drop any task in a text thread, and Caddy will help you handle it. Caddy also keeps an eye on your calendars, chats and tasks to make sure you stay focused on what matters. If something needs you, Caddy will nudge you, or can just do it if you don’t have time. The best part is, no two Caddys are alike. The more you use Caddy, the more it learns your vibe, how you work, and what you care about. 

Fastshot is a no-code mobile development platform. Our mission is to "Democratize mobile app creation with AI" Anyone can develop a mobile app from idea to App Stores within minutes just by chatting with AI.

Automate internal auditing (planning, testing, documenting) to comply better with financial regulations. Denki performs audit work with 99% software, 1% services: ✔️ Works on existing systems (e.g. Auditboard, Workiva, ERPs) ✔️ Automates Control processes (e.g. collects evidence, runs walkthrough interviews, tests) ✔️ Records every step for traceability (workpapers w/ full audit trace) Focused on SOX programs and financial regulations (SEC Rules etc.)

Bravi is building the AI operating system for home-services businesses, using AI-powered customer communication as the wedge. We replace the front office (calls, chats, follow-ups) with AI agents that never miss a lead, then layer an internal AI copilot that understands products, pricing, and technical documentation. We started with fenestration (shutters, windows, garage doors), a large, complex vertical with no modern software, before expanding to adjacent trades. Bravi is already live with leading installers and manufacturers across Europe and the US, turning missed demand into revenue.

Brickanta – agentic AI for society builders. Hundreds of construction-specific AI agents for project analysis, insights, tenders, procurement, and more. Combine the latest AI technology with your organization's project data, templates, and workflows to identify risks and opportunities early and produce better decision support. Brickanta has raised $8 million from leading AI, construction, and real estate investors behind companies like OpenAI/ChatGPT, Airbnb, Klarna, Spotify, and Plangrid-Autodesk, as well as star investors such as Mario Götze, Anton Osika, and Northzone (see movie and press). The founding team has been building and implementing AI in construction and industry since 2018 at companies such as ABB, Fabege, Husqvarna, IKEA and Konecranes.

Char is a daily notepad that finishes your todos for you. Type a checkbox, and an agent picks it up — researching, drafting, or scheduling on your behalf. Stay in command. Char does the work.

Clodo is the planet's best people discovery. Used in GTM, Recruiting, Marketing, and Ops at AI Natives, B2Bs, and Fortune 500s in SaaS, Manufacturing/Industrials, BioTech, Healthcare, Fintech, Compliance, and more

Meet Meteor: a Chrome-alternative that can actually do your work for you. With agents getting better by the day (literally), we realize that it’s time to automate the boring, tedious work. We use your browser session to empower agents to act like your personal assistants (ex. book a calendar, find cheaper flights, buy clothes on amazon etc.) Some of Meteor’s features: - Chat with any page - Integrate with popular apps like Gmail, Google Calendar, Twitter etc. - Browser agent to autonomously navigate the web and perform tasks - More coming soon! We're excited to usher in a new era of browsing.

Epicenter is an ecosystem of open-source, local-first apps that share a memory. We store all your work—notes, transcripts, chat histories—in a single folder of plain text and SQLite. Every tool we build shares this memory: your text editor, personal assistant, etc.. It's open, tweakable, and yours. Grep it, open it in Obsidian, host it wherever you like. The choice is yours. Our vision is to build a personal workspace where you own your data, choose your own AI models, and replace siloed apps with open, interoperable alternatives. All while preserving authenticity and being free and open source. ❤️

Omnara is an open-source, model-agnostic control plane for managed agents. One API to deploy, run, and control them. Self-host it, or use our managed cloud.

SigmanticAI is building an AI-native hardware development assistant that automates the entire RTL design flow, from natural language to synthesizable HDL and testbenches, inside a seamless VSCode fork. Powered by fine-tuned Verilog LLMs, reinforcement learning, and real compiler feedback, SigmanticAI iteratively refines code until it compiles and passes synthesis, no matter how complex the design. It’s like the Cursor for HDL design. In addition to code generation, SigmanticAI can generate token-level annotations and onboarding documents to accelerate ramp-up for new engineers. With support for both cloud and on-prem deployment, it integrates with existing EDA tools to dramatically reduce debug time, improve collaboration, and accelerate hardware design across teams

Bond is an AI Chief of Staff that gives CEOs and busy executives real-time visibility into what’s happening across the company and tells them what to focus on. Saving execs 10+ hours a week.

Alkali is building the next generation of estimation tools for construction.

Orchid is an executive assistant that lives in iMessage. It texts you your day each morning, drafts your replies, and books your meetings. You approve, it handles the rest. If you've ever wished for a world-class EA, come talk to us.

Flott helps transport and logistics companies run leaner, smarter, and more profitable operations. Flott unifies everything transport and logistics teams need in a single, AI-powered control center—bringing planning, live tracking (gps, fuel, etc), invoicing, and payments into one place and delivering true end-to-end visibility. Flott’s AI agents act as an extension of fleet managers — automating repetitive tasks and optimizing workflows.This lets companies focus on what truly matters: growing the business.

Founder led hiring for London startups

Truffle AI makes it easy for developers to integrate AI agents into any software application. We do this by exposing agents as simple APIs that can be called from anywhere. Developers have used Truffle to add customer support agents into WhatsApp and analytics agents into Slack.

Rebolt sits on top of your systems and builds tailor-made AI software - to drive outcomes

G LNK is an AI-powered platform simplifying how healthcare companies connect with the relevant medical professionals. Our proprietary matching and ranking models instantly identify the most qualified experts, accelerating drug development and commercialization. Designed with compliance at its core, G LNK ensures every connection meets strict regulatory and ethical standards—empowering companies to innovate faster with confidence.

assistant-ui helps frontend developers add AI chat to their apps. Our product is used by several dozen companies, like LangChain, Stack AI, Browser Use, and Athena Intelligence. We're building an open source Typescript/React library and a backend as a service, with first class integrations into popular agent frameworks like LangGraph and Vercel AI SDK.

Edexia is an AI Teacher Assistant for grading essays. It can be trained and controlled by the teacher and can grade assignments from any curriculum, year level, subject, or format. Learning like a teacher, Edexia visually breaks down its understanding of the rubric, and updates this as a teacher corrects it. Our vision is to transform education by facilitating AI’s safe and effective integration across all institutions and applications. Not using AI to replace teachers but rather to empower them—providing them with all the time and resources they need to develop their students.

Vortexify is an AI application platform that enables developers and domain experts to build production-ready software with AI agents. Instead of writing thousands of lines of code, users can connect enterprise data, describe the problem they want to solve, and collaborate with AI agents to generate secure applications for data-intensive business processes. The platform contextualizes millions of rows of data, and provides the runtime, execution engine, and UI framework agents need to generate and deploy custom applications through two integrated products: the Agent Data Warehouse, a data foundation for enterprise data, and the App Playground, where AI agents build and deploy applications using that data. The Agent Data Warehouse connects to enterprise systems, continuously ingests and contextualizes operational data, and provides a unified understanding of your business. By transforming raw enterprise data into AI-ready context, the ADW enables agents to reason across systems and build intelligent applications. The App Playground is a development environment built on top of the Agent Data Warehouse where developers, engineers, and domain experts collaborate with AI agents throughout the entire application lifecycle. Agents help users discover and define business problems, explore and understand enterprise data, plan and design solutions, and ultimately generate production-ready applications, including business logic, data pipelines, workflows, automations, analytics, and custom user interfaces.

Endstack is a full desktop, collaborative workspace built for humans and agents running in the cloud available on web, desktop, and mobile. Each workspace powered by endOS, giving you a familiar channel-based experience augmented by a real desktop environment. The desktop is backed by Linux and ships with a built-in Chrome browser. Files, notes, browser tabs, native apps, terminal, and all your agents in a single beautiful, unified interface. At the center of it all you get a powerful agent running 24/7 that you can also reach via Slack, email, or SMS.

Email sucks. It takes forever to go through, and hiring an assistant is costly and invasive. Friday is building the assistant that learns how to predict the action that you will take on your emails, and does it for you. Today's email products try to help you go through your emails a little faster, but if you have to get through 1000 emails, those products doesn't do much for you. The reality is, most of the emails you get don't require you to personally look at them. Freestyle completely eliminates the need to check those emails, and handles them all at once for you, immediately. Freestyle is here to file away spam, sift through newsletters for important tidbits, text you important notifications, and reply to mundane emails, so that no matter how many thousands of emails are in your inbox, you'll just be left with the few emails that actually require your personal touch. Getting this right is difficult, so everyone else settles with trying to help you go through your email twice as fast. If you want to go 100x as fast, you shouldn't spend even a second on useless emails. Freestyle gets this right, bringing the elite experience of having a professional assistant to the entire world.

Orchestrate an army of coding agents from one dashboard. Ship entire sprints in parallel.

Sandra AI is building the AI operating system for car dealerships, replacing clumsy legacy software with an AI-native, automation-driven platform. Founded by 3 McKinsey, HEC & MIT alumni who met 10 years ago at Ecole Polytechnique, the company’s AI agents already automates all customer interactions across calls & messages, and increasingly run dealership operations by automating sales and aftersales workflows end-to-end. This operational footprint naturally extends into a proprietary software layer that unifies billing, scheduling, inventory, and CRM into a single dealership OS.

Random Labs is building Slate. Slate is a coding agent designed to work with you for long hours on hard problems.

We are on a mission to provide faster and affordable access to the justice system - starting with depositions and trials. 1000s of depositions and trials run through DraftTheRecord every week including Senate and House meetings, Confidential federal hearings, criminal proceedings like murder trials, and civil lawsuits involving family disputes, personal injury and much more. During legal proceedings, • DraftTheRecord provides real time assistance to attorneys, previously requiring a legal team. The platform then helps analyze depositions and other evidence cutting down trial prep time from weeks to days.  • Court reporters use DraftTheRecord to capture audio and generate live transcript drafts for attorneys and judges.  • Transcribers use our legal-specific AI transcription model to cut transcription time by 3x.

Consumers miss out on $70B+ every year because they're busy and unaware, and that money is sitting in their email inbox. So, we automated reading email receipts and claiming the money they're entitled to, offering a service to which you can sign up once, do (literally) nothing, and earn $. Where is this money coming from? - Retailers: When the price of clothes or furniture you've already bought drops, you're entitled to a refund for the difference - Airlines: When a flight you've booked gets delayed or canceled, you're entitled to a cash compensation. - Enterprises: When a class-action lawsuit is filed against a company you engage with, you're entitled to money. - And many more, that even the government holds some of your unclaimed funds. Today, the dream of one service that automatically claims the money you deserve when you shop, fly,... and live is (finally) possible. We started with automating refunds in the shopping industry and have secured $8,000 in refunds to our users, growing 233% MoM. With AI, we've been able to repurpose that same automation to tackle refunds in the flight industry and the class-action lawsuit landscape. Why us? (1) We're obsessed with reclaiming what's rightfully yours: Kamal and Anthony grew up in Lebanon, where people's money was unfairly taken away. (2) Weijie was the lead infra engineer for Wish's recommendation system, the feature that fueled their IPO. Our combined experience includes Apple, Addepar, Bolt, Wish, and StackAdapt. And we're all working towards one goal: move those billions of dollars where they belong.

Rowboat is an AI coworker for everyday work - email, meetings, projects, and people. It builds a local knowledge graph from your work and uses it to draft emails, prep meetings, track projects, and get work done on your own computer. It comes with batteries included - meeting note capture, in-app browsing, search, and app integrations - plus MCP support for custom tools.

Orca is a game launcher for Minecraft. Players browse games and experiences and join with one click, no mod installation, no setup. We handle hosting and mod delivery for server owners and game creators, who earn revenue from their games. Think Roblox, but built on top of Minecraft's 312M player base.

ProhostAI is building an AI Property Manager for short-term rental hosts on Airbnb and other platforms. Our team consists of an ex-Airbnb Staff Data Scientist and Dropbox Sr Software Engineer who are also Superhosts with 9 properties worth $15M making $1.5M/yr.

MinusX is a state-of-the-art data agent that can build the best dashboards for your data, and notify you when something's up. You can interrogate all your data on our open source BI platform via Slack or MCP. Connect your data, and put agents to work.

Zuni builds AI agents that take on high-value professional work end-to-end - the email, admin, and internal tooling that eats a knowledge worker's week.

The problem: Energy installers still waste dozens of hours per project on pen & paper processes. Their CRM, ERP, email, planning tools are completely detached from each other. The solution: autarc lets installers automate their repetitive business tasks on a single platform. They manage everything from one interface: WhatsApp or iMessage. This combines their legacy tools into one system. We save 24+ hours on every home energy project, like heat pump, solar, wallbox or battery installations. The technology: On top of our OS, autarc leverages LiDAR for spatial analysis, computer vision for automated assessment, and AI for system recommendations. This enables installers to confidently transition to and scale up sustainable home energy solutions.

An OpenClaw Framwork that builds an AI Workforce paired with an in-built CRM, that lives in your communication channels, is online forever, knows your everything about your business. and does the tasks on your behalf only so you can click "Approve" every morning. Build you own AI employees today... - Lead intake via Voice / SMS / Email and then updating the Contact / Matter / Case in the CRM. - Connects with Gmail / Outlook for AI to write replies (in draft for you to review) all ready to send, for every email that deserves your reply, so you don't spend time writing emails anymore. - Handles outbound sales completely, scrapes all the leads there possibly are on the internet, phone books, data brokers, and contacts customers, chats back and forth with them at scale, infinitely, parallely all at once. - Writes daily/weekly/monthly briefings and reports based on all the new context there is on the CRM every day/week/month. It finds out insights you possibly couldn't have found by looking at it all manually. - Customer Research AI agents: find powerful POCs of a company, check through your LinkedIn connection tree to find out how far apart in mutual connections you are from them, research their background, and send out intro texts / emails / call agents to connect you with the POC. and so much more. Contact us for enterprise needs.

Domu automates debt-collection calls, texts, and emails for financial services and healthcare. We work with some of the largest financial institutions in the world and win by doing what nobody else is willing to do. We are hiring :)

Henry is an AI copilot for commercial real estate (CRE) brokers that seamlessly integrates a brokerage’s internal data set with external sources to generate custom presentations and financial modeling for deals. Our mission is to help CRE brokers close more deals faster, earning more while doing less repetitive work. We’re initially focusing on enabling brokers to generate deal decks in seconds—a task that typically consumes 20+ hours a week across multiple departments within a brokerage.