Want to apply AI to your IT Helpdesk queue? Risotto helps you grant software access, limit access/permission grants by time, serve knowledge, and get approvals from people like managers. All using natural language directly in chat (AKA "ChatOps") IT teams spend too much time manually provisioning software and answering the same question repeatedly. We help them improve resolution times, reduce SaaS spend, and enhance security with 24/7 automated software access and IT support. Check us out at: https://www.tryrisotto.com
Ritivel is an AI-native workspace for regulatory and medical writing teams at life sciences companies. Our AI agents draft CTDs, CSRs, INDs, and BLAs in minutes instead of weeks, helping drugs reach patients faster. Every month a drug is delayed from reaching the market costs pharma companies ~$45M in lost revenue and more importantly, delays treatment for thousands of patients who need it. Yet regulatory teams are stuck in a painful, months-long process: synthesizing thousands of pages of clinical data, hunting through SharePoint folders for the right documents, chasing colleagues for missing inputs, and manually drafting submissions. Ritivel deploys AI agents that transform how regulatory teams work. Our agents generate comprehensive first drafts directly in Microsoft Word, following FDA formatting requirements and pulling from your existing clinical data and prior submissions. Every data point includes citations linked back to the original source, so reviewers can verify with one click. Connected to SharePoint and Veeva, our agents automatically source the right documents. Integrated with Outlook, they handle reminder emails and follow-ups automatically. We're engineers who previously built AI copilots at Microsoft Research. After 50+ conversations with pharma professionals, we discovered the critical bottleneck in regulatory submissions and built Ritivel to solve it.
Riverbank is an ex-NSA and DoD team creating the first AI native offensive red team, starting with the $3B pentesting market. We blend AI agents with experienced human operators to find what traditional vulnerability scanners miss and break through organizational cyber defenses with swarms of AI agents.
Rivet is a visual AI editor for product designers to make UI changes. Designers ship the changes they make directly to their codebase. The most painful problem for designers today is that their vision doesn't match code. Rivet replaces slow collaboration between designers and engineers by letting designers just do it themselves. Rivet's editor helps turn product designers into design engineers. Design-led companies in YC are Rivet customers. Learn more at rivet.design
Riveter is Lovable for web scraping. With a single API, agents can search, scrape, and structure data from the web. Customers like Snapchat and OpenAI use us them enrich datasets using Riveter's AI search agents that combine data from the web with third party or internal data. Their AI agents, custom scrapers, and integrations pack the power of browser use and automation for search, at a cost that allows for scale. You can even create a custom data API for repeated searches live in your app or internal databases. Perplexity and ChatGPT are great for single questions, but they can’t handle large amounts of data at once. And they’re working with a single agent and context window instead of one in every cell. And Riveter’s web browsing can go further—even reading PDFs and images that may contain answers. Most teams still spend hours (or hire UpWorkers/contractors) to manually copy product specs, check competitor pricing, pull custom KYB/KYC data to assess customer risk, or scrape filings. Or they spend months building web scrapers, and when that still doesn't work, they come to Riveter. Our founding team brings deep product and engineering expertise from to YC-backed companies Gusto, Retool, and Middesk.
Riviera builds AI Employees for Hotels. Our first agent is a hotel phone receptionist that lets hotels spend less time answering phone calls and more time helping customers. Our system handles front-desk inquiries, in-room dining orders, and reservations. It answers every question instantly and in any language, 24/7. We are solving a problem that older phone systems and IVRs can't: customers hate not being able to talk to someone immediately, but most travel businesses can’t dedicate additional staff to manage phone lines. Voice AI has always seemed out of reach because the technology infrastructure in the travel industry is often fragmented, with reservation systems, loyalty programs, and in-house operations software that weren’t designed with voice AI in mind. Riviera addresses this by integrating seamlessly with existing software providers and using human-sounding voice models that are highly trained on data specific to each business type and department. Hotels spend hundreds of billions annually on staffing and risk losing potential revenue when phone lines are overwhelmed or callers hang up. By enabling them to handle unlimited calls, day or night, Riviera unlocks additional revenue and eases labor challenges.
Roark helps teams test, monitor, and improve their voice agents. Voice AI is exploding, but reliability is still the #1 challenge. Teams spend hours manually testing agents and still miss failures. In the last 6 months, Roark has processed over 10M minutes of calls, powering monitoring and simulation for teams across the Voice AI ecosystem (including YC companies). We close that gap by combining: 📊 Monitoring & Evaluation - 40+ built-in metrics (latency, instruction-follow, sentiment, etc.), custom dashboards, alerts, and the ability to define your own. Up to 15 speakers with automatic speaker identification. 🎭 Simulations & Personas - end-to-end phone/WebSocket simulations for inbound and outbound agents, with configurable personas (accents, languages, speech & behavior profiles). Define tests as conversations with a graph-based approach, so you can easily branch into edge cases and variants. 🔁 Full lifecycle loop - failed calls automatically become repeatable tests, so every failure makes your agent stronger. Roark is the missing QA layer for Voice AI - helping teams ship agents they can trust.
Robin AI provides AI-powered contract analysis and legal workflow automation for enterprises, enabling fast contract reviews, clause extraction, and negotiation support. Targeting in-house legal teams and Fortune 500+ enterprises, Robin AI monetizes via enterprise SaaS subscriptions and integrated tools. Its differentiators include deep contract understanding, CLM integrations, and enterprise-grade security to accelerate contract cycles.
Robocurve builds open-source tools and independent benchmarks to measure how well robots can do real-world jobs. Instead of relying on unverified demo videos from frontier labs, we score their models on reproducible benchmarks that anyone can trust. Today there are no well-run, standardized robotics benchmarks. Labs evaluate in-house, and no independent group has stepped in to run continuous benchmarking as a service. The result is that no one actually knows how good anyone else is, or where the real frontier sits. Good benchmarks require operating and maintaining physical hardware and real-world setups. Simulation only goes so far, since models that look strong in sim can show large performance gaps once deployed in the real world. Building real-world benchmarks means coordinating job-domain experts, evals engineering, and hands-on robotics all at once. Frontier labs are targeting general-purpose robotics by 2028, yet the field of robotics evals barely exists. Whoever builds the trusted measure of robot capability becomes the reference everyone relies on. We combine backgrounds in AI evals and robotics to build and grow this field as fast as possible. We already shipped v1 of our open-source framework, Inspect Robots, and ran our first pilot scoring a frontier model on a real robot.
Rocketable is building a large portfolio of wildly profitable software businesses by acquiring existing products and replacing human teams with AI agents. Today’s foundation models already possess enough intelligence to automate most of the tasks required to run a profitable software business. In the functions where agents aren’t yet intelligent enough to replace humans, they will be soon. When every human function required to operate a software product has an AI agent equivalent, the next step will be within reach: operating an entire company with a team of AI agents instead of humans. But superintelligent agents within each function won’t be enough. To operate a software company with 0 human employees, the agents will need to be directed towards common goals, integrated to collaborate across functions, tuned with feedback loops connected to product metrics, and trained to make resource allocation decisions. We are creating the tools needed to replace the entire org chart of a software company with a team of AI agents. We are developing these tools by owning the products that we automate, because we know from 10+ years of experience building automated systems with AI/ML that integration is the key to unlocking superhuman performance.
Rome is building a freight marketplace for truck drivers to find work, receive payments, and manage their business. Today, Rome helps 80+ drivers earn up to 40% more by accessing 10x more loads through scraping brokers/shippers. We’re looking to become the platform for all truck drivers and eventually own the layer between drivers and shippers.
RonanRX helps you personalize GLP-1s like Ozempic, peptides, and other treatments using your labs, wearables, medical history, treatment response, and the latest medical research. Instead of treating the average patient, we continuously personalize your treatment as your body changes. We've built the complete feedback loop for personalized medicine: your health data automatically syncs into one place, AI helps personalize treatment, licensed doctors make prescribing decisions, medications are delivered to your door, and every outcome continuously improves your protocol. Connect your health data once. RonanRX automatically syncs your labs, wearables, and medical records into a single AI-powered health profile that helps personalize GLP-1s like Ozempic, peptides, supplements, and other treatments around your biology. If prescribed, your medication is delivered to your door. Our founders have built and exited multiple companies, raised over $100M, and previously built a $50M U.S. medical manufacturing business. Start with a text at RonanRX.com and become the maximum version of yourself,
Rosebud AI is a no-code platform that lets creators build 3D/2D games and immersive worlds by describing them in natural language, generating code, visuals, and gameplay logic. It targets indie developers and marketers, monetizes via a SaaS platform with templates and World Labs integration, enabling browser-based games and web apps without coding.
Rosebud Biosciences accelerates drug development by screening drugs against organoids (micro-organs) that have the same gene mutations as the patients. We partner with therapeutics companies to screen their drugs, and we perform our own drug discovery for rare diseases that have no existing treatments. Our organoids are also fetal-like and enable discovery of novel drug targets for pediatric diseases. This technology was validated at Stanford, published in a prestigious journal, and has already led to the discovery of a drug target in a pediatric heart disease that could not have been found using traditional disease models.
Roundabout Technologies makes AI-powered traffic lights, allowing cities to reduce pedestrian deaths, improve traffic, and reduce resident complaints. Our founding team has experience building safety-critical embedded systems and AI at Waymo, Zoox, Google, and Verily.
A Cursor-like AI-assisted, no-code IDE for building production-ready multi-agents. ✨ Start from a simple prompt to create fully functional agents with the Copilot 🧪 Test them in AI-simulated scenarios 🌐 Connect MCP servers and tools 📞 Interact through the Python SDK, a web widget, or a Twilio phone number ♻️ Continuously refine your agents by providing feedback to the Copilot Built on OpenAI's Agents SDK, Rowboat is the fastest way to build multi-agents!
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.
Ruby is a neobank that offers e-commerce businesses a flexible spend management solution and direct integrations with commerce platforms. By combining banking and commerce data, Ruby provides businesses with a real-time, unified view of their financial health and money movement, empowering them to make better financial decisions and scale their operations.
RunLocal helps engineering teams ship better on-device AI in their application, faster, with more confidence and less hassle.
RunRL improves LLMs and AI agents with reinforcement learning. Do you have a model that needs to get better at a certain task? Are you tired of messing around with prompts? Do you spend a lot of money on observability, and wish that all this data could let your model self-improve? Well, head on over to RunRL.com, and see what we have to offer! If you give us a model, a prompt, and a reward, we’ll make your model’s reward go up.
Ruvo is a global account for receiving, holding, and moving money between USD and BRL. We connect Pix, crypto, and Visa so you can receive USD from abroad, convert between USD and BRL in minutes, send money to the U.S., spend worldwide, and save in digital dollars with yield — all in one place. Ruvo supports both personal (CPF) and business (CNPJ) accounts, with low fees, strong security, and direct Pix settlement. Formerly known as Cacao.
Ryse is the only marketplace where investors who want to buy leases can trade with real estate operators who want to sell leases.
Salt is a neo banking solution stitched together to ease payments and documentation which comes with business banking by moving it to a digital-first and automated end to end platform.
Snab aims to automate & centralize access and management of global banking for complex business groups with multiple subsidiaries, and digitize their access to financial services.
Soteri Skin is D2C skincare for chronic skin conditions like eczema. We’re the only non-prescription product proven to provide long-lasting relief for the 30 million Americans who suffer from eczema. How it works: Skin surface pH is constantly in flux, and many of your daily activities can throw it out of balance. People with chronic skin conditions such as eczema have a harder time regulating their skin's pH. Soteri's patented pH/LOCK™ locks skin in at a therapeutic pH for 12+ hours, which is shown to help break the cycle of skin sensitivity, whether you have eczema, psoriasis, or just a bad sunburn. Our formulations are aesthetically elegant (non-sticky, sit well under makeup, etc), safe for anyone to use, and don't require a prescription. Most people see skin health improvements within the first few weeks of application, even for tricky, chronic skin conditions like eczema and psoriasis. With Soteri Skin, anyone can enjoy healthy, glowing, pH-enomenal skin!
Safe Superintelligence Inc. is an AI-focused platform building safety-focused security solutions for AI models, aiming to align AI capabilities with human values and reduce societal risks. It operates in AI infrastructure and safety, serving enterprise customers in high-tech sectors and building AI systems that are safe for human use. The company has reached unicorn status with a reported $30B valuation and closed multiple funding rounds since 2024.
Saffron allows companies to quickly evaluate how well software engineers use AI to code. The way engineers write code has fundamentally changed, but the way companies evaluate them hasn't. Saffron gives teams full visibility into how candidates use AI agents to build, debug, and ship real features on an actual codebase. Saffron was founded by Robert Chondro (formerly MIT and Jane Street), Jerry Yao (Stanford and Jane Street), and Kazuma Choji (Harvey Mudd, published in NeurIPS and ICML), and is backed by Y Combinator (P26) and Afore Capital.
AI Interactive Fiction. Available here: https://apps.apple.com/us/app/sagaland-story-adventure/id6748543926
Saldor is your voice-first email client that lets you triage, read, and respond to messages without touching your screen. Whether you’re commuting, cooking, or on the go, Saldor keeps you connected and productive entirely through natural conversation.
Our software turns any robot we deploy into an everyday independent worker at your facility. They are able to walk sites, handle instruments, overcome obstacles, collect measurements, and generate auditable compliance records, replacing hours of manual surveys and inspections. Built by Los Alamos robotics veterans and deterministic-manipulation researchers, we're starting in nuclear and expanding to other hazardous industries.
Salesgraph learns and automates 99% of the work that AEs do between calls with a dynamic context graph to give agents structure. Research briefs, call gaps, follow ups, committee mapping, business cases, pricing calculators, anything that moves a deal forward. We’re now building the context graph to power our agents for early partners at Mintlify, Tex, and Strala.
Salvy is a mobile carrier for businesses in Brazil. Over 1800 companies use Salvy to manage over 20,000 mobile lines, cutting costs by over 50%. The founders have worked many years together in Brazil's largest fintechs (Nubank and EBANX). Today, every carrier in Brazil has roughly the same network quality - it isn't a differentiator. If you're an IT manager who needs to deploy 2k lines, you want an integrated and seamless solution. You need to deploy this resource, fast. Salvy provides a software layer that makes deploying and managing mobile lines a fast and efficient process, integrated with HRIS, ERPs, and others. This is a massive market: there are 55 million b2b mobile lines in Brazil, which adds up to 5 billion dollars in ARR in just one country.
We are Same (YC W24). We want to help people easy develop and run products. We believe that soon everyone will be able to freely explore, create, and implement various ideas without being restricted by technology and time. Coding in its current form is still too complicated for most people. It gives control to a small elite, takes years to master, and remains unintuitive and time-consuming to the average person. We spent the last two years building tools like Million.js and React Scan that extend what millions of developers could create. Now, we're going to share that magic with the rest of the world. We're based in San Francisco and Shanghai.
Samos sells accidental death insurance for individuals undergoing surgery. Just like travel insurance but covering a hospital stay.
Santé makes an all-in-one point-of-sale system for liquor stores and wine shops. The platform combines checkout, inventory management, e-commerce, delivery app integrations, and marketing in a single system, and includes AI-assisted receiving features tailored to beverage retail.
Sanvivo builds a multisided platform to enable customers to order medications, get pharmaceutical advice, and book health services at local pharmacies in Europe. Just like Shopify for pharmacies. Sanvivo gives pharmacies software to take, fill and schedule delivery for online orders. We also bring instant demand through integrations with 3rd party consumer delivery companies. Almost all pharmacies in Europe are, by law, local 1-person businesses. And they are not ready for online orders. Regulatory changes require pharmacies to take and fill e-prescriptions (roll-out Jan-23), but many have no way to do this online today. Sanvivo uses technology to give local pharmacies digital superpowers, enabling them to combine fast supply and high-quality consultation with state of the are e-commerce solutions.
Saudara AI is an AI sourcing broker connecting American brands with vetted overseas factories. US brands import $3T in goods a year and lose billions to ghost suppliers, hidden fees, and blown deadlines. The factories that actually deliver sit behind decades-old relationships outsiders can't break into. We were born into them. Every deal runs through a real human broker, supercharged by AI that handles sourcing, quoting, QC, logistics and vendor financing. 10x faster, at a fraction of the cost. Sourcing is the largest broken market in global trade. We're the on-ramp.
Savant is the company brain every AI-native enterprise runs on. We plug into the tools you already use, capture the written knowledge / undocumented procedures, and serve them to your employees and agents at decision time.
Scanbase makes it easy for medical companies to convert photos of rapid diagnostic tests into results. We do this by providing a simple API that any medical company can access.
Scheduling Wizard is building the logistics infrastructure to modernize healthcare operations. Hospitals still rely on manual workflows to manage staffing, patient flow, and core operations, contributing to $760B in annual inefficiency. 20 departments across 16 hospitals already outsource their physician scheduling to us, powered by our internal Scheduling Programming Language and AI-driven workflows. We work with Mass General, Johns Hopkins, UT Southwestern, UCSF, and many others. We are actively onboarding new clients and expanding into patient triaging and provider management systems, working with partner departments at UCSF and other leading institutions. Scheduling Wizard aims to bring healthcare operations into the future by reducing administrative burden and improving clinical care coordination. Our goal is to create the AI-native administrative layer in healthcare operations.
SchemeFlow uses AI to generate technical reports for engineering and environmental review for construction projects. Two brothers + high school friend, with great combo of skills: Mayor’s Chief of Staff, Arup construction engineer + AI software engineer. LLMs allow fast generation of reports & handling local regulatory complexity which wasn’t feasible before. Working across Transportation, Air Quality, Noise, Flood Risk, Environmental review in the US and the UK, with major engineering companies such as Stantec, Buro Happold and Royal Haskoning. $9B US opportunity (143k consultants x $64k/yr report-writing work), $23B worldwide. www.schemeflow.com
ScienceMachine provides an AI automation platform and autonomous agents, such as 'Sam', to streamline biomedical and pharmaceutical research data analysis. The company targets biopharma and biotech researchers to accelerate the pipeline from raw data to final reports. It operates via a SaaS business model with various tiers from free to enterprise.
Sciloop is building an AI Co-Scientist that automates experimentation and analysis for machine learning researchers, allowing them to test ideas far faster than today’s tools allow. We are Bilal and Osman, International Physics Olympiad medalists and the only Pakistanis admitted to MIT in our respective years, with several years of hands-on ML research experience inside MIT CSAIL. We have built large-scale training pipelines, worked with terabyte-scale datasets, and seen the research bottleneck firsthand while contributing to scientific ML projects. We left MIT to solve this problem directly and are now building a system that can eventually accelerate scientific discovery itself. https://sciloop.dev
We’re building AI agents that speed up drug trials by automating the manual consolidation and document prep required for every IND submission. Today, biotechs spend months stitching together reports from contractors and internal teams just to file and get to their first-in-human trial.
Scope is the system companies use to measure and improve how agents discover, interact and use their product. As more products gets used through AI agents like Claude Code, Codex, Cursor, and similar agents, agents are starting to influence which tools get chosen, how they get set up, and whether they keep getting used. Most companies still cannot see that process clearly. We run real workflows across agents and show teams when the agent picks them versus a competitor, where it breaks, where docs or product surfaces confuse the agent, and what to change to get better results and a better agent experience. I started Scope after working on interpretability research for closed-source models at Princeton and later as an ML engineer in GEO/AEO. I kept seeing the same pattern: these systems were shaping real product discovery and usage, but companies had very little visibility into what the model was actually doing. We are starting with products that agents can directly interact with, especially APIs, infra products, CLIs, and MCP servers.
Digital health holds a lot of potential but is ignoring a growing problem: diagnostic testing. Without this data, providers and organizations will be limited in the services they can provide patients at home. Scout has developed a platform - Hub, test kits, and app - that delivers health testing at home with 10x lower development cost and 3x lower per-test price. Our patented tech also meets performance requirements for medical diagnoses and integrates with the current healthcare tech stack. Scout’s technology is poised to disrupt the outdated $33Bn diagnostic market by democratizing testing while dramatically improving the patient experience. Scout has received $16M in non-dilutive funding from the NIH and other organizations to fully de-risk our platform, and our pipeline includes a diverse test menu for primary care (e.g. respiratory and sexual health), wellness (e.g. gut health), and chronic conditions (e.g. certain cancers). We have already received FDA authorization for our platform in clinical settings and are planning to launch our flagship Scout Hub in 2024.
Scrums.com is an AI-native software engineering orchestration platform that combines AI agents, engineering talent, delivery teams, infrastructure, and software operations for technology companies, enterprises, and growth-focused businesses. It makes money through enterprise software platform access, subscription-based engineering talent, custom software development, delivery services, and related infrastructure offerings; its differentiator is combining these capabilities under one platform with unified reporting and live engineering intelligence.
Artificial Intelligence that converts manufacturing drawings into costing quotations in minutes, not weeks.
Seabound builds carbon capture equipment for ships. We're the only way for existing ships to reduce up to 95% of CO2 emissions and meet new global regulations.
Seaflight Technologies has developed a new form of Aerodynamic Flow Control for electrified aircraft that increases range and payload by 30%. That's the same performance improvement you'd get from hopping in a DeLorean to 2035 and coming back with batteries from the future. But it's available today - our tech has been derisked by testing supported by the National Science Foundation, the US Air Force, and the Australian Government. Our first product is a simple fixed-wing large cargo drone that is efficient enough to remove the "green penalty" currently associated with electric aviation. That's a step change from today's conventional platforms. First generation electric aircraft are heavy, expensive, complicated, and limited in terms of range and payload. In the entire history of aviation, that's never been a winning formula. When everyone already has access to the same batteries, materials, and motors, what really makes the difference? The answer is revolutionary aerodynamics, but in a form factor that suits today's operations and manufacturing. Beyond our own drone product line, we have partners across Aerospace helping incorporate our tech into their products. In the future, if you want to have the most efficient and cost-effective flying machine of any description, you'll need Seaflight's Flow Control inside.