AI (Artificial Intelligence) Startups funded by Y Combinator (YC) in New York 2026

October 2026

Browse 239 of the top AI startups funded by Y Combinator. Headquartered in New York, these are some of the hottest and fastest-growing startups. This doesn't include all companies originally founded in New York or by founders from there.

We also have a Startup Directory where you can search through over 5,000 companies.

  • Terse
    Terse
    Y Combinator LogoF2026
    Active • 2 employees • New York City
    We build infrastructure to power agentic systems such as software factories, multiplayer agent frameworks and agent coordination.
    infrastructure
    ai
    api
  • Volaren Inc.
    Volaren Inc.
    Y Combinator LogoF2026
    Active • 4 employees • New York City
    Turning ideas into trades. Every great investment starts as an idea about the world. Institutions have teams of analysts turning those ideas into positions. Volaren is that team, processing data through fundamentals and quantitative models that can be personalized with AI. Turn your views into trades, portfolios, and back-testable frameworks and strategies, and Volaren stays with you from there, showing you what's actually driving each position and what it means for your next move.
    ai
    fintech
    creator-economy
    marketplace
    finance
  • Agent 37
    Agent 37
    Y Combinator LogoF2026
    Active0 • New York City
    * Ready to Use Instantly: Skip the complex server setup. It comes pre loaded with top AI Agents (like Claude Code and Hermes) so your agents can start working immediately. * Keep Your Work Safe: Unlike other systems that delete everything when they finish a task, these sandboxes remember your files, code, and settings forever until you delete them. * Pay Only for What You Use: Stop paying for idle servers. You pay a tiny fee to store your files, but you only pay for compute power during the exact minutes your AI is actively running. * Zero Infrastructure Headaches: You don’t need to be a senior DevOps engineer or manage complex cloud networks. One simple command handles the entire backend for you. * Connect to Any App: Allow your AI agents to securely log into and interact with everyday tools like Slack, Gmail, and GitHub in just a few clicks.
    developer-tools
    saas
    b2b
    ai
  • Hesper AI
    Hesper AI
    Y Combinator LogoF2026
    Active • 2 employees • New York City
    Hesper AI builds AI agents that investigate P&C insurance claims end to end. Hesper’s agents read the claim file, detect tampered documents, verify facts, check coverage, flag inconsistencies, and produce an audit-ready case file in minutes, so insurers can check every claim. We work with Claims and SIU orgs at Carriers, MGAs and TPAs,
    insurance
    fraud-detection
    ai
  • Bernard
    Bernard
    Y Combinator LogoS2026
    Active • 9 employees • New York City
    Bernard builds AI employees for home and commercial appliance servicers. They work across phone, text, email, warranty feeds, and existing systems to manage customer communication, scheduling, and dispatch, carrying each job through diagnosis, parts preparation, technician handoff, and follow-up. At the center is Pre-ID, which combines the exact appliance and its symptoms with repair history, similar completed visits, manufacturer guidance, and parts data to produce a diagnosis, ranked parts, and follow-up questions. Technicians arrive prepared with the right parts, helping servicers complete more repairs on the first visit. We’re building the world’s most efficient appliance servicers, creating happier customers and a more connected appliance ecosystem. Learn more at https://bernardhq.com/
    ai
    home-services
  • Evergrove
    Evergrove
    Y Combinator LogoS2026
    Active • 2 employees • New York City
    We've built voice agents for the largest work comp managed care orgs and specialist PT networks in the country, making >500K calls annually and accelerating the speed at which they coordinate care. On average, our customers see a 40% increase in workflow completion, 10x decrease in cycle times, and >60% reduction in cost. We think voice agents are the starting point for solving slow and fragmented care coordination in this market. Companies that manage an injured worker's care rely on short-staffed contact centres and archaic methods of info exchange: phone, fax, and email. Every delay along the path of care leads to slower rehab of the injured worker, lower throughput for providers, and higher expense for the insurer/employer.
    healthcare
    ai
    insurance
  • Pennant
    Pennant
    Y Combinator LogoS2026
    Active • 2 employees • New York City
    Led by former institutional proxy voters and technologists with a collective 20+ years of experience, Pennant gives institutional investors, public companies, and corporate advisors voting and governance intelligence to act on their own principles at scale.
    artificial-intelligence
    fintech
    investing
  • Financial Datasets
    Financial Datasets
    Y Combinator LogoS2026
    Active • 1 employees • New York City
    Financial Datasets is an applied AI research lab building search and data infrastructure for agents, starting with financial markets. We turn filings, company disclosures, and market data into structured, searchable information - helping agents find relevant facts, answer financial questions, and monitor markets in real time. For 40 years, market data was built for people reading screens. We're rebuilding it for agents that research every company, all day, across the world.
    ai
    investing
    fintech
    stocks
  • Elite
    Elite
    Y Combinator LogoS2026
    Active • 2 employees • New York City
    Elite builds AI voice agents that run the front office for healthcare practices. Elite answers every patient call instantly and finishes the job inside the practice's EHR: scheduling, triage, referrals, refills, eligibility, intake, and billing, across voice, SMS, and web, around the clock. Front offices are drowning in phone volume, so patients wait on hold, calls go unanswered, and staff get pulled away from care. Elite picks up every call, resolves the routine ones end to end, and escalates anything complex to the team with full context. It ships knowing the scheduling protocols of 18 specialties and writes back to more than 19 EHRs including Epic, athenahealth, eClinicalWorks, and ModMed. There is no rip-and-replace, it goes live in days, and every resolved patient interaction is what we charge for. Our starting point is healthcare. The mission is to rebuild the critical industries America runs on, including government, finance, insurance, and manufacturing, by deploying AI agents into the slow, manual workflows at their core.
    artificial-intelligence
    healthcare
  • Ekho Labs
    Ekho Labs
    Y Combinator LogoS2026
    Active0 • New York City
    Ekho predicts the wars, strikes and tariffs that break global shipping, and tells freight teams which shipments are exposed and what to do about them. Predicting escalation is what our team did for eight years before this - now we bring the same engine to logistics.
    artificial-intelligence
    enterprise-software
    hard-tech
    supply-chain
    saas
  • Computable
    Computable
    Y Combinator LogoS2026
    Active • 2 employees • New York City
    finance
    cloud-computing
    marketplace
    trading
    artificial-intelligence
  • Marble
    Marble
    Y Combinator LogoS2026
    Active • 2 employees • New York City
    Marble is the first AI-native operating system for the restaurant back-of-house. Restaurants, cafes and bars still run on a patchwork of disconnected point solutions, spreadsheets, clipboards and tribal knowledge, which costs the industry billions each year in stockouts, food waste, and lost profit. Marble replaces that entire stack with one system. Computer vision and voice AI capture real-time inventory levels 90% faster than manual counts, ML models forecast item-level demand at 97% accuracy, and AI agents run dozens of end-to-end workflows autonomously, from procurement and invoice reconciliation to scheduling, food prep, menu engineering, and more.
    ai
    saas
    restaurant-tech
  • Pango
    Pango
    Y Combinator LogoS2026
    Active • 5 employees • New York City
    Pango is a platform for e-commerce companies to use natural language to build agents and automate their logistics operations like delivery and returns.
    logistics
    e-commerce
    retail
    artificial-intelligence
  • GUILD
    GUILD
    Y Combinator LogoS2026
    Active • 2 employees • New York City
    GUILD is an AI-Native Defense prime making aerospace parts faster and cheaper. We win defense contracts, automate manufacturing, and deliver to the government's door.
    manufacturing
    supply-chain
    ai
    defense
  • Multiplier
    Multiplier
    Y Combinator LogoP2026
    Active • 3 employees • New York City
    Multiplier helps institutional investors research stocks and manage their portfolios. We're live with six hedge funds, and our users spend 4+ hours a day in the platform. Investors who try "nearly every tool on the market," to quote a client of ours, "wind up with an unwieldy collection of fragmented point solutions." Those who focus on building a great setup with general agents are instead "signing up for a full-time job." So we deploy a platform called Multiplier that unifies structured data, unstructured data, AI work, human work, and tacit firm knowledge in one secure, governed, customized application. Our first vertical: independent equity funds with $250M-$5B of assets. They know AI is essential for staying relevant, but they don't have the time or talent to figure out what to do about it. But once we deploy Multiplier––"We used to spend 80% of our time gathering information and 20% of our time acting on it," said one customer. "Multiplier has flipped those percentages."
    ai
    investing
    fintech
    stocks
    productivity
  • Pops
    Pops
    Y Combinator LogoP2026
    Active • 1 employees • New York City
    Pops lets people play, remix, and share AI games with friends. Discover an infinite feed of games, challenges, quizzes, and other fun interactive experiences made by others. Every play instantly becomes a funny gameplay/reaction video you can send to friends, post online, or use to challenge someone to beat your score. For creators, Pops makes it easier than ever to bring ideas to life and get them played. Instead of learning complex game engines, writing code, or fighting for distribution, anyone can create or remix a playable game in seconds. Bring your ideas, and Pops brings the audience.
    consumer
    gaming
    artificial-intelligence
    social
  • Masterpiece
    Masterpiece
    Y Combinator LogoP2026
    Active • 3 employees • New York City
    We believe AI will be one of humanity’s next great masterpieces. Building it will require financial infrastructure as ambitious as the companies creating it. We're founders backed by Y Combinator building the financial rails underpinning the AI data economy. Masterpiece provides short term working capital to data vendors that sell training data, evaluation work, and reinforcement learning environments to frontier AI labs. A major financing gap exists in this market. Data vendors often need to pay contributors and fund operations before a lab has completed QA, accepted the work, and paid the invoice. This creates a 30 to 90 day cash gap between when vendors incur costs and when they receive payment. Legacy invoice lenders have little visibility into how to underwrite these assets. Masterpiece closes that gap by advancing capital against high quality lab contracts and invoices. Vendors can use the capital to scale delivery, pay contributors, and fund growth, then repay masterpiece when the lab payment arrives.
    crypto-web3
    lending
    ai
  • Kimpton
    Kimpton
    Y Combinator LogoP2026
    Active • 5 employees • New York City
    In investment management, every decision gets graded. The market prints the answer on a date known in advance, and nobody gets to argue with it. Kimpton is financial AI that answers to reality. Kimpton OS is the AI-native operating system for investment teams: it does the research and hands PMs structured trades. EarningsBench is a public benchmark where models forecast quarterly earnings before companies report and the reported numbers do the scoring. Koliseum is the set of point-in-time financial environments we build from that work, for labs to train and evaluate models on. The whole industry is fighting underperformance. Active managers trail their benchmarks, and capital keeps bleeding into passive. AI was supposed to fix that, but it hasn't. Funds either stitch together a dozen point tools or babysit general agents all day, and neither gets them to the trade. Kimpton OS goes straight to it. It ingests a fund's mandate, strategy, and positions, connects to the institutional data the fund already runs on, and returns a structured trade proposal built for that fund. It's built to disagree, because consensus is poison for investment decisions. Instead of telling a PM what they want to hear, it surfaces the breaches and risks they'd otherwise miss. That same work is how we grade AI. Static benchmarks leak into training data. Simulations reward what their authors imagined. A forecast sealed before the outcome exists and scored when the company reports can't be rehearsed or backdated. We started in markets because they're the one place reality answers on schedule. We're two ex-Goldman engineers and an ex-SpaceX engineer. We left to start our own quantitative systematic hedge fund, raised $10M from a family office at 21 and 22, and scaled it to $35M over four years. We learned to trust live results over historical fit. We built Kimpton inside that fund, then productized the stack. We're live with our first institutional client, a $3.3B manager. Our first market is fundamental equity funds from $1B to $10B, and the labs that need to know whether their models can do this work.
    artificial-intelligence
    b2b
    investments
    trading
  • Revion
    Revion
    Y Combinator LogoW2026
    Active • 10 employees • New York City
    Revion is building the operating system for Automotive Retail. Our first product helps Technicians automate administrative work, which drains 30-40% of their day. With Revion, Auto Retailers can service more vehicles and drive more high-margin Revenue.
    artificial-intelligence
    automotive
  • Bizzy AI
    Bizzy AI
    Y Combinator LogoS2025
    Active • New York City
    Bizzy handles your calls, captures and qualifies leads, and books appointments directly into your CRM. It understands your services better than a receptionist would, routes and escalates calls, and syncs with your existing tools to incorporate complex workflows, all so your team can focus on servicing leads, not qualifying them.
    workflow-automation
    marketing
    sales
    ai
  • o11
    o11
    Y Combinator LogoW2026
    Active • 2 employees • New York City
    o11 is the AI account manager for consumer and self-serve applications, helping teams treat every customer like a flagship client. It brings email and iMessage conversations together, suggests personal replies, and turns customer signals into timely follow-ups. Teams can tailor each persona’s voice and review response plans before turning them on.
    b2b
    saas
    ai
    customer-success
  • Autonomous Technologies Group
    Autonomous Technologies Group
    Y Combinator LogoF2025
    Active • 8 employees • New York City
    Autonomous is a superintelligent financial advisor at 0% advisory fees. Today, managing your money means one of two bad options: DIY your money: You end up with accounts everywhere (401k, IRAs, brokerage, crypto, savings, equity, secondaries). Your spreadsheet is always wrong. You make expensive mistakes because this isn't your full-time job. Hire a financial advisor: They'll manage your money and charge 1-2% of assets annually. Run that math over multiple decades and you're handing over half your net worth to fees. Neither path can economically deliver the sophisticated, personalized strategies the ultra-wealthy use to compound wealth: strategic tax-loss harvesting across individual securities, systematic risk management, portfolio-backed borrowing to defer capital gains, access to alternatives, etc. These aren't secret – they're just economically impossible to deliver at scale through traditional human advisors. Robos were supposed to fix this, but they were designed in a pre-AI world. In practice they just manage cookie-cutter portfolios. They don’t coordinate across your 401(k), taxable accounts, mortgage, equity, and cash flow, they don’t help with real decisions like job offers, windfalls, or concentrated stock, and they don’t deliver institutional strategies. That’s why, even after a decade plus, the biggest robos are still <$100B AUM while old-school advisors like Raymond James / Edward Jones sit on trillions. We’re doing for financial advising what Robinhood did for brokerages. Think of it as a full-stack, AI-native wealth strategist that brings billionaire-style playbooks to ordinary investors. Autonomous is built around a frontier-scale reasoning engine—an AI that perceives global events as they unfold, understanding their deeper implications for markets and and most importantly, how these events will impact your investments.
    artificial-intelligence
    consumer-finance
  • F2
    F2
    Y Combinator LogoS2025
    Active • 15 employees • New York City
    F2 is the AI platform for private markets investors. Purpose-built for private credit, private equity, and commercial banking, F2 accelerates diligence, underwriting, and portfolio monitoring, helping teams evaluate deals over 60% faster. F2 turns unstructured deal data into investment-grade analysis and polished memos in minutes. Unlike general-purpose AI, F2 is built with the domain expertise and depth to handle the most complex financial analysis. Already trusted across thousands of deals, F2 makes collaboration easy and retains historical context, so past work compounds into future wins. Headquartered in New York City, F2 is backed by leading investors including NFX, Left Lane Capital, and Y Combinator.
    ai
  • DiligenceSquared
    DiligenceSquared
    Y Combinator LogoF2025
    Active • 3 employees • New York City
    DiligenceSquared delivers AI-powered market due diligence for investment decisions - like the $500k McKinsey reports, but automated, auditable, and at a fraction of the cost. When Private Equity funds evaluate deals, they pay firms like McKinsey, BCG, and Bain $500K-$1M for market due diligence. The process takes weeks, and the output is a static PowerPoint that's impossible to audit. A single large-cap PE fund can spend >$30M annually on this and the total market is $10B per year. Our AI agents conduct expert interviews and synthesize insights with every claim linked to source transcripts. No black box, no "trust me" slides, and no 10x mark-up for human labor. Frederik bought these reports as a Principal at Blackstone. Soren sold them as a Principal at BCG. Harshil is a repeat founder and former Software Engineer at Google. We've seen both sides and know what matters in due diligence - and now we automate it. Our clients already include 8 leading private equity funds with over $2.4 trillion in combined AUM.
    artificial-intelligence
    analytics
    market-research
  • Norra
    Norra
    Y Combinator LogoF2025
    Active • 3 employees • New York City
    Norra tackles the operational chaos inside skilled nursing facilities, starting with equipment. We track every bed, wheelchair, and oxygen concentrator a facility owns, and use AI to tell operators what they have, where it is, and where money is leaking.
    health-tech
    healthcare
    artificial-intelligence
    hardware
    logistics
  • Caddy
    Caddy
    Y Combinator LogoF2025
    Active • 5 employees • New York City
    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. 
    ai-assistant
    automation
    artificial-intelligence
  • Nori
    Nori
    Y Combinator LogoF2025
    Active • 3 employees • New York City
    Nori is a concierge-level AI health coach in your pocket. It takes all of your health data—Apple Health, medical records, wearables, everything—and boils it down into a personalized daily plan. Users love it: “It's truly one of the best apps and I check it first every day. Since using Nori, I've been limiting devices in bed and eating earlier—and I'll be damned if it's not working... I started getting more deep sleep, my resting HR dropped to 43, my recovery improved.”—Jen, Nori user"
    digital-health
    health-tech
    consumer-health-services
    health-&-wellness
    artificial-intelligence
  • Helonic
    Helonic
    Y Combinator LogoF2025
    Active • 2 employees • New York City
    We help construction teams eliminate rework, delays, and drawing confusion before construction starts.
We analyze PDF plans, detect clashes and inconsistencies across disciplines, and create draft RFIs so teams can resolve issues early. This saves construction companies hundreds of hours and millions of dollars. What we do: - Automatically detect clashes, missing information, and drawing mismatches - Align architectural, structural, and MEP plans so everything matches across sheets - Generate draft RFIs from issues we find - Replace long page-turn meetings with instant drawing analysis - Reduce rework and prevent schedule delays before boots hit the ground We integrate with:
Procore, Autodesk, email, and the tools teams already use Teams use us to: - Save hundreds of thousands to millions of dollars per project - Catch design and coordination issues early - Reduce RFIs and prevent field fixes - Keep projects on schedule with fewer surprises Contact us at founders@helonic.com
    construction
    b2b
    workflow-automation
    architecture
    ai
  • Amika
    Amika
    Y Combinator LogoF2025
    Active • 2 employees • New York City
    Amika is infra to build your software factory. We give your team sandboxed AI coding agents in the cloud: the same infrastructure Ramp, Coinbase, and Stripe built in-house. Kick off work from a web UI, CLI, Slack, or API. Use your preferred coding agent (Claude Code, Codex, etc.). Each agent understands your codebase, runs autonomously, and ships real PRs with live previews of the apps it changed. Use it as your daily driver or plug it into your own code-gen pipeline via API.
    infrastructure
    machine-learning
    b2b
    ai
  • Narrative
    Narrative
    Y Combinator LogoF2025
    Active • 3 employees • New York City
    An AI-powered video editor that makes editing dramatically faster. Upload your clips, tell it what you want, and have Narrative edit them for you.
    video
    artificial-intelligence
    consumer
  • Structured AI
    Structured AI
    Y Combinator LogoF2025
    Active • 11 employees • New York City
    Structured AI is the most advanced AI-powered QA/QC platform for drawing packages, working across both PDF drawings and native Revit models. Architects and engineers use our platform to make every drawing set leave the office with certainty. Our AI agents learn your firm's standards, apply the relevant codes, and read every page of a set, then return a clear list of what's wrong, where it sits, and how to fix it. Run compliance reviews across thousands of pages in minutes, chat with your drawings for sourced answers, build custom checks in plain English, compare versions, overlay disciplines, and close out comments - all within a single platform, with a full audit trail on every finding. For decades, the last line of defense on a drawing set has been a red pen at the end of a deadline week. But buildings have outgrown the red pen. A modern set runs thousands of drawings, and the errors hiding between them threaten quality and safety, not just cost. What manual review misses resurfaces as RFIs, change orders, and field rework, paid for in time, margin, and reputation. Structured AI catches those errors before they leave the office, capturing the judgment of your best reviewer once and applying it everywhere. Better drawings build a better world. #GetStructured
    artificial-intelligence
    construction
    architecture
    computer-vision
  • Freeport Markets
    Freeport Markets
    Y Combinator LogoF2025
    Active • 3 employees • New York City
    Freeport is a trading platform for pre-IPO shares, equities, crypto, and perpetual futures. Our AI analysts turn trusted social and financial media into a real-time feed of market-moving news and actionable trade ideas.
    crypto-web3
    fintech
    investing
    consumer-finance
    ai
  • RowFlow
    RowFlow
    Y Combinator LogoS2025
    Active • 2 employees • New York City
    RowFlow replaces clunky web forms with natural conversations that run over text, slack, or wherever your users are. Our platform increases your form’s response rates while cutting your internal overhead in half. With RowFlow, you can take any existing form and instantly convert it into an AI-powered conversation. New flows launch in minutes and reach respondents over your preferred channel or embedded chat. We guide the exchange, follow up automatically, and return clean structured data without extra work from your team. Forms power billions of business interactions yearly. Whether it’s forms for client intake, registrations, compliance, feedback, or surveys, they all follow the same painful pattern: low conversion, messy data, and frustrated users. Teams have long tolerated forms only because there's been no scalable alternative for collecting structured information from people - until now. Our goal is for RowFlow to become the new default way for how organizations collect user data in an AI-first world.
    workflow-automation
    chat
    b2b
    artificial-intelligence
  • Pleom
    Pleom
    Y Combinator LogoS2025
    Active0 • New York City
    Automatic insights on all your company data. Speed up business workflows to visualizations with a 0 learning curve.
    generative-ai
    artificial-intelligence
    ai
    analytics
    big-data
  • LLM Stats
    LLM Stats
    Y Combinator LogoS2025
    Active • 2 employees • New York City
    We build independent and contamination-proof benchmarks that measure real world performance. LLM Stats is the most complete LLM leaderboard. We have the most complete archive of LLM benchmark results and also run independent evaluations that are not the classical ones that are already in the training data of most models. Our mission: become the biggest community dedicated to AI transparency.
    infrastructure
    ai
  • OneStop
    OneStop
    Y Combinator LogoS2025
    Active • 2 employees • New York City
    OneStop is a local classifieds network for New York City. Find and post local listings.
    artificial-intelligence
  • Prosper
    Prosper
    Y Combinator LogoS2023
    Active • 60 employees • New York City
    Prosper builds AI phone agents for healthcare providers. Our agents automate manual, time-intensive workflows like patient scheduling, balance reminders, claims status checks, benefit verification, and prior authorizations. We integrate with 80+ EHRs, go live in 3 weeks, and offer a no-code interface for customization. Today, Prosper handles thousands of daily calls for dozens of providers, reducing costs by 50% and tripling productivity. We’re building the AI-first operating system for healthcare to eliminate the $200B lost to administrative overhead every year.
    b2b
    health-tech
    healthcare
    ai
  • Frizzle
    Frizzle
    Y Combinator LogoS2025
    Active • 2 employees • New York City
    Frizzle uses AI to grade handwritten math assignments for teachers and transform them into rich analytics and differentiated assessment to help personalize instruction for every student. Teachers spend over 10 hours a week or 25% of all their work grading - Frizzle does it in minutes. Frizzle is the most valuable piece of software for teachers ever, as it eliminates the most time-consuming part of their workflow so they can focus on teaching. Frizzle shifts education from waterfall to agile learning. Instead of waiting for end-of-unit tests to discover gaps, teachers get continuous, real-time insight into student thinking from everyday work. Feedback becomes immediate, instruction adapts weekly, and learning iterates (measure, adjust, improve) so every student progresses faster with less teacher burnout. Frizzle was named an official White House AI Education Partner alongside OpenAI and Meta: https://www.whitehouse.gov/edai/. Frizzle was co-founded by Abhay Gupta and Shyam Sai, who met in high school over 10 years ago.
    b2b
    productivity
    artificial-intelligence
    saas
    education
  • Fleetline
    Fleetline
    Y Combinator LogoS2025
    Active • 11 employees • New York City
    Fleetline is building the first complete-context algorithmic load planner for mid to large-sized trucking fleets. Today’s dispatchers face an overwhelming task: balancing regulations, customer demands, live fleet data, and individual driver needs, all while coordinating across siloed tools and teams. Mistakes run rampant, and each mistake is thousands of dollars. Even the select fleets using algorithms that have fleet-wide context struggle: the outputs are rigid, hard to interpret, and are blind to real-world nuances like driver preferences and schedule exceptions. Fleetline solves this by combining advanced optimization with LLMs that can easily adapt algorithms to each fleet’s needs and capture driver-specific information. The result is smarter planning truly optimized for every fleet and its drivers.
    data-science
    artificial-intelligence
    logistics
    supply-chain
  • Quotain
    Quotain
    Y Combinator LogoS2025
    Active • 2 employees • New York City
    Quotain is AI sales roleplay software for revenue teams. Reps practice the calls they need to win against AI buyers built from your playbook, CRM context, and past calls, from cold calls and discovery to negotiations, buying committees, and screen-share demos. Every session is scored against your methodology, and reps retry the exact moment that slipped. Managers see who is ready and what to coach. Try a free practice call at quotain.com.
    sales
    sales-enablement
    artificial-intelligence
  • Mimos
    Mimos
    Y Combinator LogoS2025
    Active • 2 employees • New York City
    Plaintiff-side law firms compete in some of the most expensive search ad markets to acquire high-intent leads, but the path from click, call, or form fill to signed retainer is still fragmented. Disconnected intake workflows, slow response times, and disconnected spend-to-case data makes it hard to know what is actually working. Mimos automates their growth and intake playbook: 1. Generate Qualified Leads: Our agents manage Google Ads, Local Services Ads, Google Business Profile, and other high-intent acquisition channels. 2. Convert Faster: Every lead flows into a CRM built for intake, triage, follow-up, and handoff from inquiry to signed retainer. 3. Close the Loop: We connect spend, lead source, intake actions, and signed-case outcomes so firms know what to scale, pause, or fix. The result: more qualified leads, less wasted spend, and more signed cases.
    saas
    legaltech
    artificial-intelligence
  • TwentyTwo
    TwentyTwo
    Y Combinator LogoS2025
    Active • 3 employees • New York City
    AI is making biology easy to engineer. Life-saving drugs and therapies are accelerating, but so is the ability for bad actors to create a pandemic. TwentyTwo is working on the defensive stack to prevent the next pandemic.
    synthetic-biology
    security
    biotech
    compliance
    artificial-intelligence
  • GhostEye
    GhostEye
    Y Combinator LogoS2025
    Active • 6 employees • New York City
    We emulate the attacks real adversaries run today: help-desk vishing, deepfaked executives, MFA fatigue, and the payloads that follow. We run them against your people and the controls around them to reveal what is actually exploitable, not what looks compliant. Then we close the gap, retest until the fix holds, and give your leadership the evidence that risk actually went down. From initial access to remediation.
    ai
    cybersecurity
    b2b
  • Alter
    Alter
    Y Combinator LogoS2025
    Active • 2 employees • New York City
    Alter is a zero-trust identity and access control platform purpose-built for AI agents. It wraps every tool call in strong authentication, fine-grained authorization, and real-time guardrails, so agents can move fast without breaking things. Each request is verified at the parameter level, authorized against granular policies, executed with least-privilege access, and fully audited in real time. Unsafe actions, whether it’s a rogue DROP TABLE or a payment above policy limits, are blocked before they touch production. Behind the scenes, Alter manages credentials, issuing ephemeral, scope-narrowed access for every interaction, then rotating or expiring it in seconds. The result: no long-lived secrets, no blind spots, and no surprises in audit. With Alter, teams can move fast on AI agent initiatives while staying fully compliant with SOC 2, HIPAA, GDPR, and internal security standards. A CISO-ready dashboard delivers real-time visibility, detailed audit logs, and compliance-ready controls, removing silos, eliminating excessive permissions, and providing complete oversight of every agent workflow.
    security
    aiops
    devsecops
    developer-tools
    ai
  • Physical Turing
    Physical Turing
    Y Combinator LogoS2025
    Active • 2 employees • New York City
    Physical Turing is a neo robot deployer. Our core tech lets us deploy any robot fast, and every deployment produces the real-world data we use to train our own intelligence. We're starting by automating industrial inspection and security tasks, which have historically had labor shortages due to their safety risks.
    robotics
    b2b
    ai
  • Channel3
    Channel3
    Y Combinator LogoS2025
    Active • 5 employees • New York City
    Channel3 is building a database of every product on the internet. Google and OpenAI maintain vast product graphs, but keep that valuable data to themselves. Channel3 gives every developer access, opening a world of possibility for new shopping experiences across any vertical. For instance, developers could build AI fashion stylists or give their agents shopping capabilities. We don’t just collect product data; we actually understand it. With the latest image classification and reasoning models, we can match products across merchants—even when listings and images differ—recognize variants, and surface the perfect matches for every search. As we grow, we’ll capture unique insights into what users want, click, and buy. As AI models get smarter and cheaper, our flywheel accelerates: our catalog will improve, and it will be even easier for developers and vibe-coders to build on our infrastructure. To further incentivize building on Channel3, we provide built-in monetization; developers earn commissions on sales they drive. Alex discovered this need while building an AI tutor that could recommend products and earn affiliate revenue. When no solution existed, he persuaded his smartest friend from Duke and former co-founder George to leave Palantir and build Channel3 together.
    e-commerce
    artificial-intelligence
  • Interfere
    Interfere
    Y Combinator LogoS2025
    Active • 8 employees • New York City
    Interfere empowers engineers, product managers and designers with real-time understanding of previously unseen bugs and issues.
    ai
    design
    developer-tools
  • Async
    Async
    Y Combinator LogoS2026
    Active • 2 employees • New York City
    Async builds AI agents that run small businesses. Law firms, healthcare clinics and real estate companies hire our AI agents to automate complex work that's never been economical to staff with humans, letting us capture labor spend that didn't previously exist.
    ai
    b2b
  • Anana
    Anana
    Y Combinator LogoP2025
    Active • 2 employees • New York City
    Anana is an AI workspace for hospitality commercial teams. It connects bookings, calls, chats, emails, market intelligence, and hotel knowledge so teams can see demand earlier, understand what is driving it, and take action in the tools they already use. Built for hotel groups and management companies, Anana gives revenue, sales, marketing, and operations teams one place to work from the same commercial context.
    b2b
    artificial-intelligence
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