Y Combinator F26 Batch Companies
Y Combinator F26 Companies
Startup Batches
Welcome to our interactive overview of Y Combinator's F26 batch. Below, you'll find a sortable, filterable table showcasing portfolio companies from this cohort.
Each row details:
- Company name and sector (spanning B2B SaaS, Healthcare, Fintech, Biotech, Construction, Analytics, Consumer, Deep Tech, and more)
- Funding stage to help you gauge maturity and runway
- YC Partner assignment for insight into mentorship and domain expertise
Use this table to:
- Explore Y Combinator's current investment focus, spotting which industries and technologies are gaining traction
- Identify promising directions by filtering sectors or funding stages for your own market research or strategic planning
- Quickly find founder contacts for networking, partnership, or investment outreach
This page goes live early and updates as Y Combinator announces the Fall 2026 cohort, so check back to track new companies, market trends, potential collaborators, and the next wave of disruptive startups in one centralized view.
- Company Website
- runinfra.ai
- One-Liner
- Chat-native AI model optimization platform
- Employee Count
- 1-10
- Company Website
- degla.ai
- One-Liner
- Autonomous drone fleets for emergency response
- HQ Country
- United States
- Company Website
- godhands.dev
- One-Liner
- Deterministic computer-use infrastructure for agents
- HQ Country
- United States
- Company Website
- simantic.dev
- One-Liner
- Simulated hardware for embedded QA
- HQ Country
- Canada
- Company Website
- usecollarai.com
- One-Liner
- AI deal agent for private market investors
- HQ Country
- Singapore
- Company Website
- lambdarobotics.ai
- One-Liner
- Autonomous robots for AI data centers
- HQ Country
- United States
- Company Website
- qokedas.com
- One-Liner
- Small lab teaching AI to decode physical instruments
- HQ Country
- United States
- Company Website
- useforward.co
- One-Liner
- Private credit origination with AI deal packaging
- HQ Country
- United States
- Company Website
- herdr.dev
- One-Liner
- Terminal-native runtime for AI coding agents
- HQ Country
- Turkey
- Company Website
- vorelios.com
- One-Liner
- AI that simulates physics 1000x faster
- HQ Country
- United States
- Company Website
- twentyfour26.com
- One-Liner
- Same-day CNC machining of uploaded STEP files in San Francisco
- HQ Country
- United States
- Company Website
- hemlock.info
- One-Liner
- Force-sensing wristband capturing human skill as training data for embodied AI
- HQ Country
- United States
- Company Website
- simulithic.com
- One-Liner
- AI agents predicting experiment outcomes before shipping
- HQ Country
- United States
- Company Website
- veeza.ai
- One-Liner
- AI visa assistant for Global South travelers, starting with Egypt
- HQ Country
- Egypt
- Company Website
- trylightfield.ai
- One-Liner
- AI legal intake and triage for in-house teams
- HQ Country
- United States
- Company Website
- antimattr.one
- One-Liner
- Voice-first audio computer for memory and voice productivity
- HQ Country
- United States
- Company Website
- lantern.md
- One-Liner
- AI Hiring Manager that learns hiring preferences in fifteen minutes
- HQ Country
- United States
- Company Website
- capveon.ai
- One-Liner
- Finds forming public-infrastructure demand for contractors and manufacturers
- HQ Country
- United States
- Company Website
- antropi.world
- One-Liner
- AI-powered robotic platform for CNC automation as a service
- HQ Country
- India
- Company Website
- covera-agents.com
- One-Liner
- AI agents for insurance brokers handling intake, quoting, claims
- HQ Country
- United States
- Company Website
- sentient-os.ai
- One-Liner
- On-device LLM that knows your entire life and does your work overnight
- HQ Country
- United States
- Company Website
- redoubt.agency
- One-Liner
- Utah commercial insurance agency for contractors and trucking
- HQ Country
- United States
- Company Website
- quippyapp.com
- One-Liner
- AI conversation practice app for improving social skills
- HQ Country
- United States
- Company Website
- talos-us.com
- One-Liner
- Transformer and motor condition intelligence via non-invasive sensors
- HQ Country
- United States
- Company Website
- workers.io
- One-Liner
- Reliability layer for engineering teams
- Product Description
- Workers IO provides virtual environments that simulate production scenarios and expose hard-to-reproduce software bugs. The product include…
- Company Website
- subvocal.company
- One-Liner
- Under-chin wearable turning silent speech into commands and text
- HQ Country
- United States
- Company Website
- nodus-compute.ai
- One-Liner
- Infrastructure execution layer for AI workloads, YC-backed
- HQ Country
- United States
- Company Website
- maritime.sh
- One-Liner
- Managed cloud infrastructure for deploying and scaling AI agents
- HQ Country
- United States
- Company Website
- asakana.co
- One-Liner
- Seafood order management and trade platform
- Product Description
- Asakana is a seafood order management platform that connects seafood suppliers, distributors, and buyers, streamlining the trade of fresh a…
- Company Website
- ascii.dev
- One-Liner
- creators of box, affordable full-VM sandboxes for AI agents
- HQ Country
- United States
Company | Company Website | One-Liner | HQ Country | Employee Count | Founding Year | Product Description | YC Page | YC Industry | YC Partner | Functional Type | Extruct Industry | LinkedIn Profile | GitHub URL | Business Model v4 | Extruct Category | Sub-cluster | AI Pattern | Builds Hardware | Funding Verified | Delivery Model | Number of Founders | Founders LinkedIn |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Chat-native AI model optimization platform | – | 1-10 | 2025 | RunInfra is a chat-native platform for building, optimizing, and deploying open-source AI inference pipelines. It benchmarks real GPUs, applies kernel optimizations, and generates OpenAI-compatible production APIs from plain-English prompts. The company is backed by Y Combinator and presents RunInfr | B2B, Infrastructure | Nicolas Dessaigne sources: 1 | AI Research, Dev tools for AI Agents | Analytics | Developer infrastructure | DevTools | inference pipelines | AI infrastructure / tooling | Software only | – | Developer platform / API / infra | 2 | 2 founders | |||||
Autonomous drone fleets for emergency response | United States | 1-10 | 2026 | DEGLA builds autonomous aerial intelligence software for multi-drone emergency missions. Its system accepts a single natural-language command and coordinates drone fleets during search and rescue or disaster response. The homepage shows an earthquake-collapse scenario and positions the product for f | Industrials, Drones | Garry Tan sources: 1 | AI Research, Other | – | – | – | Hardware | Hardware | autonomous rescue drones | AI agent for a vertical | Hardware / physical product | – | Hardware | 1 | 1 founder | |||
Deterministic computer-use infrastructure for agents | United States | 1-10 | 2026 | GodHands provides deterministic execution infrastructure for software agents across browser and desktop environments. It describes itself as an automation API for the entire desktop, with zero-fail reliability, full audit trails, and support for modern and legacy applications. The company says it is | B2B | Nicolas Dessaigne sources: 1 | Workflow automation, AI Research | Analytics, Engineering, Infrastructure | – | – | Developer infrastructure | DevTools | deterministic execution infra | AI infrastructure / tooling | Software only | – | Developer platform / API / infra | – | – | |||
Simulated hardware for embedded QA | Canada | 1-10 | 2025 | Simantic provides simulated hardware for embedded QA and automated firmware validation. The product combines CLI access, an MCP server for AI agents, and GitHub integration for firmware testing workflows. The company says it supports mixed-signal development and mission-critical deployments. | B2B, Engineering, Product and Design | Aaron Epstein sources: 1 | Other | – | – | Developer infrastructure | DevTools | embedded QA tools | AI infrastructure / tooling | Software only | – | Developer platform / API / infra | 2 | 2 founders | ||||
AI deal agent for private market investors | Singapore | 1-10 | 2026 | Collar AI is an AI deal agent that automates the entire pre-investment process for private market investors — including deal sourcing, dataroom analysis, financial modeling, and IC memo generation. It connects to a fund's inbox and deal history to create a proprietary company brain that operates in | B2B | Grey Baker sources: 1 | AI Research, Analytics & BI: Data analytics | Asset Management | – | AI-native service | Fintech | investment deal automation | AI agent for a vertical | Software only | – | Self-serve SaaS / software | 2 | 2 founders | ||||
Autonomous robots for AI data centers | United States | 1-10 | – | Lambda Robotics builds and deploys autonomous robots for the data centers and facilities that keep AI compute running. The robots are deployed into real-world environments and improve with every deployment. The company focuses on embodied intelligence as a systems problem, integrating perception, pl | Industrials, Manufacturing and Robotics | Aaron Epstein sources: 1 | Robotics | Robotics | – | Hardware | Hardware | robotic systems | Hardware with AI | Hardware / physical product | – | Hardware | 1 | 1 founder | ||||
Small lab teaching AI to decode physical instruments | United States | 1-10 | 2026 | Qokedas converts raw signals that pass through scientific instruments into training data, enabling labs to build models that read the physical world and operate the machines that measure it. It has published the aubench-lite benchmark testing whether frontier AI agents can decode a real 1,024-microp | B2B | Grey Baker sources: 1 | AI Research, Analytics & BI: Data analytics, Dev tools for AI Agents | – | – | – | AI research | DevTools | training data generation | AI infrastructure / tooling | Software only | – | Developer platform / API / infra | 3 | ||||
Private credit origination with AI deal packaging | United States | 1-10 | 2026 | Forward is an AI-native platform that transforms unstructured borrower financials into fund-ready deal packages for private credit funds. It connects commercial debt advisors and private equity sponsors with matching capital providers, automating document structuring and deal origination workflows. | B2B | David Lieb sources: 1 | Payments & FinOps Platforms, Analytics & BI: Data analytics, Workflow automation, Other | Fintech, Analytics, Asset Management, Consumer Finance | Fintech | Fintech | deal structuring platform | AI-native application | Software only | – | Self-serve SaaS / software | 3 | 3 founders | |||||
Terminal-native runtime for AI coding agents | Turkey | 1-10 | 2026 | Herdr is a terminal workspace manager that runs as a background server, keeping real terminal sessions open for AI coding agents so work survives device closures, SSH disconnects, and closed lids. It detects multiple coding agents — including Claude Code, Codex, OpenCode, Cursor Agent CLI, and Grok | B2B, Engineering, Product and Design | Pete Koomen sources: 1 | Dev tools for AI Agents, Collaboration/Productivity, Cloud/DevOps Tools | – | Developer infrastructure | DevTools | multi-agent workspace | AI infrastructure / tooling | Software only | USD 500,000 | Developer platform / API / infra | 1 | 1 founder | |||||
AI that simulates physics 1000x faster | United States | 1-10 | 2026 | Vorelios builds foundation models that learn physics end-to-end, delivering engineering simulation results in seconds at a fraction of the cost of traditional methods. Its tagline is 'Toward Engineering Superintelligence.' Founded in 2026, it is a Y Combinator F26 company with 2 employees based in S | B2B | Aaron Epstein sources: 1 | AI Research, Analytics & BI: Data analytics | – | AI-enhanced software | Manufacturing | AI analytics platform | AI-native application | – | – | Self-serve SaaS / software | 2 | 2 founders | |||||
Same-day CNC machining of uploaded STEP files in San Francisco | United States | 1-10 | 2026 | twentyfour26 provides same-day CNC machining services from its San Francisco shop. Users upload a STEP file and the company's software checks whether the part fits its machining envelope, flags needed changes, and turns accepted designs into a quote and machining plan. The shop standardizes machine, | Industrials, Manufacturing and Robotics | – | Manufacturing | Manufacturing, Engineering | – | Hardware | Manufacturing | CNC machining services | Hardware with AI | Hardware / physical product | – | Services-as-software (AI-native service) | 1 | 1 founder | ||||
Force-sensing wristband capturing human skill as training data for embodied AI | United States | 1-10 | 2025 | Hemlock builds The Bracelet, a wearable that reads electrical signals from the brain to the muscles to capture force and intent during human demonstrations, producing contact-rich training data for embodied AI. It is deployed where work happens: assembly lines, warehouses, workshops, and labs. Found | Industrials, Manufacturing and Robotics | Nicolas Dessaigne sources: 1 | AI Research, Robotics | Robotics | – | Hardware | Hardware | contact-rich training data | Hardware with AI | Hardware / physical product | – | Hardware | 1 | 1 founder | ||||
AI agents predicting experiment outcomes before shipping | United States | 1-10 | 2026 | Simulithic turns a company's session data into thousands of simulated user agents that behave like real cohorts (skimming, hesitating, and abandoning carts at the same rates), so teams can predict how any product change will perform before shipping. It connects to session tools like Clarity and Post | B2B, Engineering, Product and Design | Aaron Epstein sources: 1 | Analytics & BI: Data analytics, AI Research | Analytics | – | AI-enhanced software | DevTools | user behavior simulation | AI-native application | Software only | – | Self-serve SaaS / software | 2 | 2 founders | ||||
AI visa assistant for Global South travelers, starting with Egypt | Egypt | 1-10 | 2026 | Veeza AI is an AI-powered visa assistant that handles the visa paperwork for travelers: filling out government forms, finding available appointments, and booking on their behalf. It offers full service for Schengen visas to Sweden plus the UK and US (completing applications and booking biometrics/ap | Consumer, Travel, Leisure and Tourism | Grey Baker sources: 1 | Other | – | – | AI-native service | Consumer | visa application assistant | AI-native application | Software only | – | Services-as-software (AI-native service) | 1 | 1 founder | ||||
AI legal intake and triage for in-house teams | United States | 1-10 | 2026 | Lightfield is the front door for in-house legal teams, consolidating requests from Gmail, Outlook and Microsoft 365, Microsoft Teams, and Slack into one queue with an owner, a status, and a source record. It automatically turns each request into a matter that is titled, summarised, and routed, and c | B2B, Legal | Aaron Epstein sources: 1 | Legal Tech, AI Research, Workflow automation | Legal | – | AI-enhanced software | Legal | legal intake automation | AI agent for a vertical | Software only | – | Self-serve SaaS / software | 2 | 2 founders | ||||
Voice-first audio computer for memory and voice productivity | United States | 1-10 | 2025 | antimattr builds Project Mnemosyne, described as the world's first audio computer purpose-built for memory and voice productivity. Its hardware interface combines a control ring and earphones with voice isolation that filters only the user's voice even in noisy environments, and lets users write 4x | Consumer, Consumer Electronics | Nicolas Dessaigne sources: 1 | Collaboration/Productivity, AI Research, Other | Consumer | – | Hardware | Hardware | audio productivity device | Hardware with AI | Hardware / physical product | USD 500,000 | Hardware | 2 | 2 founders | ||||
AI Hiring Manager that learns hiring preferences in fifteen minutes | United States | 11-50 | 2025 | Lantern is the end-to-end AI Hiring Manager for founders and HR leaders. In a 15-minute calibration it learns what exceptional looks like for a team, pressure-tests that standard against the real talent market, then runs sourcing, inbound applications, AI interviews, technical assessments, candidate | B2B, Human Resources | Christopher Golda sources: 1 | HR Software | – | – | AI-native service | CRM & Sales | AI hiring manager | AI-native application | Software only | – | Self-serve SaaS / software | 2 | 2 founders | ||||
Finds forming public-infrastructure demand for contractors and manufacturers | United States | 1-10 | – | Capveon reads budgets, board minutes, and capital plans across every level of government to surface public-infrastructure work 12-18 months before a solicitation posts, so manufacturers get written into specifications and government contractors win bids. The platform covers both sides of the market | Government | Andrew Miklas sources: 1 | CRM Platforms, Sales Enablement Tools, Marketing & Advertising Tech, Recruiting Software, HR Software, Payments & FinOps Platforms, Analytics & BI: Data analytics, Cloud/DevOps Tools, Collaboration/Productivity, Commerce Platforms, Security & Compliance Tools, Other, Customer Support, Backoffice aut | Government, Infrastructure, Analytics | Marketplace | Manufacturing | pre-RFP tracking | AI-native application | Software only | – | Self-serve SaaS / software | 2 | 2 founders | |||||
AI-powered robotic platform for CNC automation as a service | India | 1-10 | 2025 | Antropi Robotics provides a robotic platform that automates CNC operations as a service using AI, vision systems, and modular robotics. The platform enables precision factories to achieve 95% machine utilization and reduce labor needs by 90%. It features intelligent task management, autonomous mater | Industrials, Manufacturing and Robotics | Nicolas Dessaigne sources: 1 | Robotics, Manufacturing, AI Research | Robotics, Manufacturing | Hardware | Manufacturing | CNC automation platform | Hardware with AI | Hardware / physical product | – | Hardware | 2 | 2 founders | |||||
AI agents for insurance brokers handling intake, quoting, claims | United States | 1-10 | 2026 | Covera provides ready-to-use AI agents that take over insurance brokers' day-to-day servicing work: submission intake, carrier quoting, quote comparison, claims, past-due collections, and account rounding. Each agent performs one specific servicing task and hands the result to the human agent to app | Fintech, Insurance | Nicolas Dessaigne sources: 1 | AI Research, Workflow automation, Insurance tech | Insurance, Fintech | – | – | AI-native service | Fintech | insurance automation agents | AI agent for a vertical | Software only | – | Self-serve SaaS / software | 1 | 1 founder | |||
On-device LLM that knows your entire life and does your work overnight | United States | 1-10 | 2026 | Sentient OS runs an on-device LLM nightly that reads what is new in a user's life (email, messages, files, Granola transcripts) entirely locally and distills it into a knowledge base, then presents prepared work (drafts, subscription renewals, reports) one click from firing through computer use. It | B2B, Productivity | Aaron Epstein sources: 1 | AI Research, Collaboration/Productivity | Analytics, Consumer, Consumer Electronics, Productivity, Human Resources, Fintech | AI-enhanced software | DevTools | on-device LLM | AI-native application | Software only | – | Self-serve SaaS / software | 2 | 2 founders | |||||
Utah commercial insurance agency for contractors and trucking | United States | 1-10 | 2026 | Redoubt is a Salt Lake City-based commercial insurance agency helping small businesses satisfy real-world insurance requirements for contracts, licenses, leases, jobs, clients, and platforms. It operates as an independent broker, negotiating across a network of carriers to place coverage for busines | Fintech, Insurance | Charlie Warren sources: 1 | Insurance tech, HR Software, Other | Insurance, Delivery, Real Estate | – | Fintech | Fintech | commercial insurance solutions | Not primarily AI | Software only | – | Services-as-software (AI-native service) | 1 | 1 founder | ||||
AI conversation practice app for improving social skills | United States | 1-10 | 2026 | Quippy is a daily conversation practice app that lets users rehearse realistic social scenarios with an AI partner. It builds a personalized curriculum that adapts to each user's specific weaknesses and learning capabilities, covering eight types of social interactions such as "The opener," "The fol | Consumer | Garry Tan sources: 1 | Skills Training & Career Development Platforms, AI Research, Mental Health | Social | – | Consumer | Consumer | AI conversation practice | AI-native application | Software only | – | Consumer app | 1 | 1 founder | ||||
Transformer and motor condition intelligence via non-invasive sensors | United States | 1-10 | 2026 | Talos continuously monitors critical power equipment using non-invasive sensors for vibration, magnetic/EMF, temperature, and humidity, combined with 3D magnetic-field mapping to localize faults. It attaches directly to existing equipment in seconds via in-built magnets, learns each machine's behavi | Industrials, Energy | Kulveer Taggar sources: 1 | – | – | – | Hardware | Hardware | predictive maintenance sensors | Hardware with AI | Hardware / physical product | – | Hardware | 3 | 3 founders | ||||
Reliability layer for engineering teams | – | – | – | Workers IO provides virtual environments that simulate production scenarios and expose hard-to-reproduce software bugs. The product includes an agent loop for reproducing bugs, validating fixes, and running simulations across failure conditions. It also lists enterprise security controls such as SSO | B2B, Engineering, Product and Design | Aaron Epstein sources: 1 | Software Testing & QA Automation Tools, DevOps Automation & CI/CD Tools, Analytics & BI: Data analytics | Fintech, Infrastructure, B2B | Developer infrastructure | DevTools | production simulation tools | AI infrastructure / tooling | Software only | – | Developer platform / API / infra | 1 | 1 founder | |||||
Under-chin wearable turning silent speech into commands and text | United States | 1-10 | 2026 | The Subvocal Company builds Murmur, an under-chin wearable that captures muscle signals from the jaw, tongue, and throat and decodes them in real time into text or commands. It operates with no microphone and no camera, so actions only happen with clear intent. The device lets knowledge workers talk | Consumer, Consumer Electronics | David Lieb sources: 1 | Other | Healthcare, Productivity | – | Hardware | Hardware | subvocal input device | Hardware with AI | Hardware / physical product | – | Hardware | 2 | 2 founders | ||||
Infrastructure execution layer for AI workloads, YC-backed | United States | 1-10 | 2026 | Nodus is the infrastructure execution layer for AI workloads. Users describe their work, deadline, and budget, and Nodus picks the infrastructure, runs the job to verified completion, and resumes it if capacity is reclaimed, operating on a bid-ceiling model. It is backed by Y Combinator (Fall 2026 b | B2B | Andrew Miklas sources: 1 | Cloud/DevOps Tools, AI Research, Dev tools for AI Agents | – | – | Developer infrastructure | DevTools | workload management API | AI infrastructure / tooling | Software only | – | Developer platform / API / infra | 2 | 2 founders | ||||
Managed cloud infrastructure for deploying and scaling AI agents | United States | 1-10 | 2026 | Maritime is cloud infrastructure for AI agents. It runs each agent in its own isolated micro-VM with a persistent volume, encrypted environment variables, a chat front door, and a processing framework; agents sleep when idle and wake on demand, so hundreds of agents can be kept around at no extra co | B2B, Infrastructure | Pete Koomen sources: 1 | Cloud/DevOps Tools, AI Research | – | Developer infrastructure | DevTools | AI agent infrastructure | AI infrastructure / tooling | Software only | – | Developer platform / API / infra | 2 | 2 founders | |||||
Seafood order management and trade platform | – | – | – | Asakana is a seafood order management platform that connects seafood suppliers, distributors, and buyers, streamlining the trade of fresh and frozen seafood products. The platform provides tools for managing orders, inventory, and transactions within the seafood supply chain. It aims to modernize th | Consumer, Food and Beverage | Grey Baker sources: 1 | Commerce Platforms, Supply Chain Visibility & Tracking Tools, Backoffice automation | B2B, Supply Chain | – | AI-enhanced software | Blue Collar SaaS | order management platform | AI-native application | Software only | – | Self-serve SaaS / software | 1 | 1 founder | ||||
creators of box, affordable full-VM sandboxes for AI agents | United States | 1-10 | 2026 | Ascii builds computers for AI agents, with its main product box providing persistent Ubuntu virtual machines pre-loaded with tooling for building and running agents. Backed by Founders, Inc and founded by Anicet Nougaret (CEO) and Kirill Makarov (CTO), Ascii also sells Pocket CTO, an autonomous soft | B2B, Infrastructure | Andrew Miklas sources: 1 | Cloud/DevOps Tools, AI Research | – | – | Developer infrastructure | DevTools | AI development VMs | AI infrastructure / tooling | Software only | – | Developer platform / API / infra | 2 | 2 founders |
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