In an industry where creativity is often constrained by administrative burden, Avoice emerges as a purpose-built solution designed to give architects their time back. Founded in 2025 and launched as part of the Winter 2026 batch, the San Francisco–based startup positions itself as an AI workspace tailored specifically for

In the rapidly evolving digital landscape, a new paradigm is emerging—one in which AI agents, rather than humans alone, increasingly shape how products are discovered, evaluated, and purchased. This shift, often described as the “agentic web,” is transforming marketing at its core. sitefire, a San Francisco–based startup founded

In the rapidly evolving landscape of artificial intelligence, voice agents are no longer experimental novelties—they are becoming frontline representatives for businesses across industries. From scheduling appointments to negotiating service terms, these conversational systems increasingly perform tasks once reserved for human staff. Yet a critical gap has remained: while voice

In the rapidly evolving landscape of artificial intelligence, a new category of software is emerging—one that moves beyond chatbots and copilots into something far more autonomous. Tensol, a San Francisco–based startup founded in 2025 and part of the Winter 2026 batch, is positioning itself at the forefront of

Home services businesses—ranging from HVAC and plumbing to electrical and appliance repair—operate in one of the most operationally complex sectors of the economy. Every day, thousands of technicians enter homes, inspect systems, diagnose issues, and interact directly with customers. These visits generate an enormous amount of valuable information:

In an era where software systems operate at enormous scale and speed, reliability has become as critical as innovation. Sonarly, a San Francisco–based startup founded in 2025 and backed by Y Combinator’s Winter 2026 batch, emerged to tackle one of the most persistent pain points in modern engineering:

HackerRank is a technology company founded with a bold and transformative mission: to change the world so that skills matter more than pedigree. Established in 2011 and headquartered in Santa Clara, California, the company emerged at a time when the technology hiring landscape heavily favored candidates from prestigious universities and

In the rapidly evolving landscape of AI-assisted software development, a new category of tools is emerging—platforms designed not just to help developers write code, but to coordinate entire fleets of autonomous coding agents. One of the most ambitious entrants in this space is 1Code (21st.dev), an orchestration layer

In an era where nearly every aspect of business depends on the Internet, the security of websites and APIs has become mission-critical. Yet the tools used to protect digital infrastructure have not always kept pace with the sophistication of modern cyber threats. Crosslayer Labs emerged in 2025 to address this

In an era when artificial intelligence is reshaping industries from finance to logistics, healthcare administration has remained surprisingly resistant to change. Despite rapid advances in clinical technology, the front desk of many healthcare practices still operates much as it did decades ago — with ringing phones, manual scheduling, insurance confusion, and

In the rapidly evolving landscape of artificial intelligence, a new category of infrastructure is beginning to take shape—platforms designed not for humans, but for agents. Terminal Use, a Winter 2026 Y Combinator startup based in San Francisco, sits at the center of this shift. Positioned as “Vercel for background

In the rapidly evolving landscape of artificial intelligence, a new class of digital actors is emerging—autonomous agents capable of executing complex tasks without human intervention. As these agents begin to handle workflows ranging from research and scheduling to software development and customer support, a critical gap has surfaced: the

In the rapidly evolving landscape of artificial intelligence, a new class of software is emerging—AI agents capable of executing complex tasks autonomously over extended periods. Unlike traditional chatbots that respond to prompts, these agents write and run code, interact with tools, browse the web, access filesystems, and orchestrate multi-step

In the rapidly evolving world of software engineering, where artificial intelligence is becoming a core collaborator rather than just a tool, a new category of development platforms is beginning to emerge. One of the startups shaping this shift is Emdash, a San Francisco–based company founded in 2025 and backed

Unisson is building what many enterprise software companies have quietly wished for: a trusted AI subject-matter expert that works alongside customer-facing teams 24/7. Founded in 2026 and part of the Winter 2026 batch, the San Francisco–based startup is on a mission to transform how technical customer success, implementation,

In the vast machinery that powers the physical world—construction, logistics, agriculture, mining, and infrastructure—equipment is the silent backbone. Forklifts move goods through warehouses, excavators shape cities, cranes lift skylines into existence. Yet despite the central role of these assets, the industry that distributes and rents them operates with

In an era where work is increasingly flexible, global, and outcome-driven, a new startup called Grade is challenging one of the oldest assumptions in business: that people should be paid for time rather than results. Founded in 2025 and part of Y Combinator’s Winter 2026 batch, Grade is building

In the rapidly evolving world of blockchain technology, infrastructure often determines whether innovation reaches mainstream users or remains confined to early adopters. Unifold, a Winter 2026 startup based in New York, positions itself precisely at this critical junction. Founded by Timothy Chung, Quang Huynh, and Hau Chu, the three-person team

For most startup founders, legal work is a necessary evil. Contracts must be reviewed, negotiated, and signed, yet the process often feels slow, opaque, and wildly expensive. In an era where software ships in days and AI systems outperform humans in complex analytical tasks, the legal industry has remained stubbornly

The internet is entering a phase where trust is no longer a given. For decades, users assumed that what they saw, heard, or interacted with online was, if not always truthful, at least human. That assumption is now collapsing. Artificial intelligence can already replicate faces, voices, and videos with unsettling

Every time a person is hired, applies for a mortgage, or undergoes a background check, someone has to verify their employment history. On paper, the task sounds straightforward. In reality, it is one of the most time-consuming, repetitive, and operationally painful processes in modern compliance workflows. Superunit exists to solve

Cardboard is an agentic video editor built for a world where video has become the default language of the internet. Founded in 2025 and backed by Y Combinator’s Winter 2026 batch, the company is tackling a problem that nearly every growth, marketing, and content team feels daily: shipping high-quality

Sparkles is a San Francisco–based startup founded in 2025 with a clear and ambitious mission: make everyone on your team an engineer. The company is building a new way for non-technical team members to safely and confidently interact with real production codebases—without learning Git, using the command line,

Booko is a San Francisco–based startup founded in 2025 that is tackling a problem most service businesses quietly accept as inevitable: lost time equals lost money. For companies that sell bookable time slots—fitness studios, medical spas, tutors, consultants, and countless other service providers—time is the product. And

Origin is an early-stage biotechnology startup working at the intersection of artificial intelligence and genetic medicine. Founded in 2025 and based in San Francisco, the company is part of the Winter 2026 startup batch and currently operates with a lean team of four. Despite its small size, Origin is tackling

Pax Historia is positioning itself as the first AI-powered grand strategy platform, but describing it as just another strategy game would be an understatement. Founded in 2025 and based in San Francisco, Pax Historia blends the creative freedom of sandbox experiences with the systemic depth of traditional grand strategy—then

Pollinate is a San Francisco–based startup founded in 2024 that is building AI agents for the supply chain—an industry that, despite its scale and importance, still runs largely on spreadsheets, inboxes, and manual work. Backed by the Winter 2026 batch and led by a two-person founding team, Pollinate

Cotera is an AI agent platform built to remove the friction traditionally associated with deploying intelligent automation inside modern businesses. Founded in 2021 and backed by Y Combinator’s Winter 2022 batch, the New York–based startup set out to answer a deceptively simple question: why does building an AI

Sennu AI is a young but sharply focused startup addressing a long-standing bottleneck in the Salesforce ecosystem: slow, error-prone, and inconsistent code reviews. Founded in 2025 and based in San Francisco, Sennu AI is building an AI-powered code review system purpose-built for Salesforce development teams. Unlike generic code review tools

The global hospitality industry is enormous, fragmented, and relationship-driven. Despite its size, deal sourcing within hospitality—especially across hotels, management companies, and suppliers—remains surprisingly manual. Finding the right ownership groups, identifying decision-makers, and knowing when a property or brand is ready for a deal often depends on outdated databases,

At its core, Altrina is built around a deceptively simple idea: humans should not spend their days executing repetitive processes that can be automated. Founded in 2025 and based in Menlo Park, California, Altrina positions itself as the SOP Automation Platform—a system designed to remove operational friction from modern

Chordio is an AI-powered design review platform built to solve a problem that quietly undermines countless modern products: design inconsistency. Founded in 2022 and backed by experience forged inside one of the most influential design-system companies of the last decade, Chordio exists to guard interface quality at the exact moment

Overlord positions itself not as another productivity app, but as an AI Accountability Partner designed to replace self-control altogether. Founded in 2022 and backed by Y Combinator’s Winter 2023 batch, Overlord takes a radical stance on habit formation: willpower is unreliable, so enforcement must be automated. Unlike traditional habit

General Trajectory is an early-stage artificial intelligence startup founded in 2024 with an unusually ambitious scope: bringing AI out of purely digital environments and into the physical world. Based in San Francisco and part of the Winter 2025 startup batch, the company is building foundational technology aimed at enabling machines—

Oxus is an AI-powered platform designed to automate and modernize internal audit workflows for pre-IPO and public companies. Founded in 2025 and headquartered in San Francisco, Oxus is part of the Winter 2026 startup batch and operates with a compact, highly technical team of three founders. The company’s mission

In a world increasingly shaped by real-time data, visibility has become one of the most valuable strategic assets. From national defense and global markets to climate response and infrastructure planning, the ability to see what is happening on the ground—accurly, continuously, and without interruption—defines who holds informational advantage.

StackAI is positioning itself at the center of a fundamental shift in how enterprises adopt artificial intelligence. Founded in 2023 and backed by Y Combinator’s Winter 2023 batch, StackAI was built with a clear premise: AI should not be reserved for elite technical teams or experimental innovation labs. Instead,

Autonomous Technologies Group is a New York–based fintech startup founded in 2025 with a bold ambition: to reinvent financial advising from the ground up. Built as a superintelligent financial advisor with 0% advisory fees, Autonomous challenges one of the most entrenched and expensive systems in personal finance. The company

Constellation Space is a Seattle-based startup founded in 2025 and backed by Y Combinator’s Winter 2026 batch. The company operates at the intersection of artificial intelligence and space infrastructure, focusing on one of the most critical and least forgiving domains in modern technology: satellite mission assurance. Mission assurance in

For decades, the idea of humans living—and vacationing—beyond Earth has belonged to the realm of science fiction. Lunar cities, Martian colonies, and off-world hotels have appeared more often in novels and films than in serious business plans. Galactic Resource Utilization Space, Inc. (GRU Space) is changing that narrative.

Chamber is an AI infrastructure startup built around a deceptively simple idea: AI infrastructure should run itself. Founded in 2026 and part of the Winter 2026 batch, Chamber positions itself as an autopilot for enterprise AI infrastructure—an agentic, autonomous system that orchestrates, governs, and optimizes GPU resources without constant

Skillsync is a San Francisco–based startup founded in 2025 and part of the Winter 2026 batch. With a compact but focused team of just two founders, the company set out to solve a problem that has quietly plagued modern technical hiring for years: the disconnect between how engineers are

Modern software systems run on data. In industries like financial services, fintech, healthcare, and insurance, production systems ingest, transform, and store enormous volumes of information—often hundreds of billions of rows per day. When something goes wrong, the impact is immediate: incorrect balances, missing records, delayed reports, broken downstream workflows,

Clodo is a San Francisco–based startup founded in 2025 that positions itself at the intersection of outbound sales, modern go-to-market execution, and AI-native workflows. Operating under the philosophy it calls “Vibe GTM,” Clodo promises something ambitious yet disarmingly simple: the ability to find and reach the next set of

Cumulus Labs is a performance-optimized GPU cloud built for modern AI training and inference workloads, designed around a single radical idea: customers should only pay for the physical GPU resources they actually use. Founded in 2025 and backed by Y Combinator’s Winter 2026 batch, the company is tackling one

As conversational AI rapidly moves from experimentation to production, the stakes around reliability, safety, and compliance have never been higher. Enterprises are no longer asking whether they should deploy voice and chat AI agents, but whether those agents can be trusted in real-world, high-risk environments. This is the space where

BaseFrame is a young but ambitious startup founded in 2025 that aims to tackle one of the most persistent problems in hardware development: discovering critical design risks far too late. Based in San Francisco and backed through Y Combinator’s Winter 2026 batch, BaseFrame positions itself at the intersection of

Bidflow is an early-stage startup tackling one of the most time-consuming and high-stakes workflows in construction: electrical estimating. Founded in 2025 and part of the Winter 2026 batch, the New York–based company positions itself as an AI copilot—not a replacement—for electrical contractors who compete for complex, high-value

In the modern AI economy, data freshness is no longer a “nice to have” — it is the foundation on which effective products are built. Fiber AI emerged from this reality as a B2B data API provider designed specifically for AI-driven sales, recruiting, and growth products that require real-time, accurate, and

Verata is a relationship intelligence platform built specifically for private equity firms that believe the best deals are sourced through people, not inboxes. Founded in 2025 and headquartered in San Francisco, Verata operates at the intersection of network mapping and private company intelligence, helping investors see and activate the most

Crow is a San Francisco–based startup founded in 2026 that is quietly redefining how users interact with software. Instead of forcing people to learn complex interfaces, nested menus, and multi-step workflows, Crow enables users to control applications through simple chat conversations. Users type what they want, and the product

Customer support has quietly become one of the most expensive and risky operational functions inside modern enterprises. As companies scale globally, support volumes grow faster than teams can hire, train, and manage human agents. This challenge is even more severe in regulated industries such as fintech, insurance, healthcare, and compliance-heavy

Corvera is an AI-native operations platform built to solve one of the most persistent and expensive problems in consumer packaged goods: operational overload. Founded in 2025 and part of Y Combinator’s Winter 2026 batch, Corvera positions itself as a fully autonomous command center for fast-growing retail and CPG brands.

In the modern global economy, talent moves faster than borders. Startups scale in weeks, products ship in days, and capital flows instantly across continents. Yet immigration law—one of the most critical enablers of global innovation—has remained stubbornly slow. For founders and fast-growing companies, the mismatch between business velocity

Arcline is an AI-native legal services startup founded in 2025 in San Francisco, created to solve a problem that nearly every startup founder encounters sooner or later: legal work that is slow, expensive, opaque, and disconnected from the pace of modern company building. Operating as part of the Winter 2026

Perfectly is an AI-native Recruiting Operating System founded in 2025 and backed by Y Combinator’s Winter 2026 batch. Based in San Francisco, the startup positions itself not as another HR tool or marketplace, but as the first truly end-to-end AI recruiting agency. Its core belief is simple yet radical:

Conductor Quantum is a San Francisco–based deep-tech startup founded in 2024 with an ambitious goal: to make large-scale quantum computing on silicon chips possible by removing humans from the most fragile and time-consuming parts of the process. Operating at the intersection of quantum hardware, artificial intelligence, and automation software,

Opalite Health is a healthcare technology startup founded in 2025 with a singular mission: to eliminate language barriers between healthcare providers and patients. Based in Palo Alto and part of the Winter 2026 startup batch, Opalite addresses one of the most persistent and under-discussed problems in modern healthcare—communication breakdowns

RunAnywhere is a San Francisco–based startup founded in 2025 that positions itself as the default way to run on-device AI at scale. Built by founders Shubham Malhotra and Sanchit Monga, the company addresses one of the most stubborn problems in modern AI infrastructure: how to reliably deploy, manage, and

DAIVIN! is a deep-tech startup rethinking one of humanity’s oldest engineering assumptions: that breathing in extreme environments requires heavy, pressurized tanks filled with stored gas. Founded in 2025 and currently active in San Francisco, the company is building tankless dive gear designed to unlock what it calls breath autonomy—

For decades, drones have promised a future of persistent aerial visibility—machines that could patrol infrastructure, monitor risk, and deliver real-time insight into the physical world. Yet one stubborn limitation has consistently grounded those ambitions: batteries. No matter how advanced the sensors or how intelligent the software, unmanned aerial vehicles

Omnara is a San Francisco–based startup founded in 2025 with a clear and ambitious mission: to make working with AI coding agents continuous, flexible, and truly location-independent. Built as a mobile, web, and voice interface for Claude Code, Omnara allows developers to start a coding session on their desktop

In many emerging markets, access to credit does not fail because borrowers lack financial history, but because that history is trapped in documents. Countries like the Philippines, Indonesia, and Mexico operate in financial ecosystems where open banking is still nascent or entirely absent. Banking APIs are rare, data is fragmented,

Text.ai is a San Francisco–based startup founded in 2024 that is rethinking one of the most familiar digital experiences of modern life: the group chat. Backed by Y Combinator’s Spring 2025 batch and led by a small but experienced team, the company is best known for its

Mendral positions itself not as another DevOps tool, but as an AI DevOps Engineer—a fundamentally different category in the software delivery ecosystem. Founded in 2025 and launched as part of Y Combinator’s Winter 2026 batch, Mendral is built to observe, diagnose, act, and learn continuously across CI/CD

Prism is an AI-powered platform built for one of the most dominant forces in today’s digital landscape: short-form video. Founded in 2025 and based in San Francisco, Prism positions itself as “AI for the next generation of media,” a bold statement that reflects both its ambition and its timing.

Shofo is a San Francisco–based startup founded in 2025 that set out to solve one of the most pressing and least visible problems in modern artificial intelligence: access to high-quality, large-scale video data. As AI systems rapidly evolve beyond text and images toward fully multimodal understanding, video has become

Across global enterprises, document processing remains one of the most stubborn bottlenecks in back-office operations. Despite decades of investment in automation, countless teams still rely on humans to read documents, extract information, and manually enter data into internal systems. From KYC files and loan documentation to invoices, claims, shipping forms,

CatchBack Cards is a San Francisco–based startup building a modern platform for trading card collectors who want more excitement, more transparency, and more value from every pack they open. Founded in 2025 and currently active as part of Y Combinator’s Winter 2026 batch, the company operates at the

In an era where personalization defines user experience, Shaped positions itself at the very core of how digital products retrieve, rank, and serve information in real time. Founded in 2021 and headquartered in New York, Shaped is building a real-time retrieval engine designed for search, recommendation feeds, and AI agents.

Squid is an AI-powered grid planning platform that lives entirely in the browser and is designed to solve one of the most overlooked but critical problems in modern infrastructure: how electricity grids are planned, updated, and defended as systems grow more complex. Founded in 2026 and backed through the Winter

For decades, the growth of data centers has been tied to a single, immovable dependency: the electrical grid. No matter how advanced computing hardware became, no matter how quickly software evolved, physical access to power remained the gating factor. Today, as artificial intelligence workloads explode in scale and urgency, that

Kyten Technologies is a young but highly focused startup addressing one of the most pressing bottlenecks in modern aerospace manufacturing: the production of custom, aerospace-grade battery packs at scale. Founded in 2026 and based in Seattle, Washington, Kyten operates at the intersection of hardware innovation, manufacturing automation, and aerospace reliability.