Y Combinator Winter 2026 (W26) Companies

General Astronautics develops robotic systems designed for research and manufacturing applications in microgravity environments.

1 investor

General Legal is an AI-native law firm that handles commercial contract work using AI integrated into attorney workflows. It serves clients seeking faster turnaround, clear pricing, and high-quality contract services.

6 investors

Grade is a payment platform that automates payouts to creators across borders, handling tax compliance, KYC, and invoicing in multiple countries. It serves content creators, influencers, and UGC creators hired by companies and agencies.

1 investor

A data infrastructure platform that unifies operational data from systems like WMS, TMS, OMS, YMS, and ERP. It reconciles IDs, timestamps, and event semantics to create standardized objects for supply chain and logistics operations.

1 investor

HLabs manufactures electronics and actuators for robotics companies in the United States, offering both pre-designed components for rapid prototyping and custom parts for production-scale applications.

1 investor

Human Archive is a data lab that collects, labels, and synchronizes multimodal sensor data (video, audio, tactile, motion capture) from 100,000+ contributors across homes, hospitality, agriculture, industrial, construction, and retail settings. The company provides foundational infrastructure for research and application development in human movement understanding, automation of manual labor, and advances in neuroscience and spatial computing.

4 investors

IncidentFox is an AI agent that automatically investigates infrastructure incidents by analyzing logs, metrics, and deployments to identify root causes and generate fix scripts. It operates as a Slack bot integrated with observability tools and cloud infrastructure for autonomous incident response and remediation.

1 investor

Instinct is a mobile trading app that gives users access to global financial markets and liquidity.

1 investor

InventoryQuant automates insurance claim inventory documentation by converting video or audio walkthroughs of loss sites into priced, submission-ready reports. The platform uses transcription, item matching, and price lookup to eliminate manual data entry for insurance adjusters and claim processors.

1 investor

Inviscid AI develops physics-informed AI technology for real-time building simulation and energy optimization. The company's digital twin platform integrates with existing building management systems to provide HVAC control recommendations that reduce energy consumption while maintaining thermal comfort.

1 investor

Jinba is a platform for building and deploying enterprise AI workflows in plain language, with built-in compliance controls, security features, and on-premises deployment options. It serves large organizations across industries including banking and biomedical research who need to automate complex business processes with full data control.

1 investor

Pollinate builds AI agents for supply chain operations, starting with procurement automation that extracts supplier invoices from email and reconciles them against purchase orders and receipts across ERP systems.

2 investors

Kita provides document processing and credit assessment software for lenders to evaluate borrowers in underserved markets. The platform handles paperwork and financial assessment behind lending, enabling banks, fintechs, and community lenders across Southeast Asia, Latin America, and the US to reach creditworthy borrowers locked out by manual processes.

1 investor

Klaus is an AI agent platform that enables businesses to automate tasks like email management, scheduling, travel coordination, and expense tracking. It deploys in five minutes with secure cloud hosting, hundreds of integrations, and 24/7 support for teams and business owners.

2 investors

Kyten Technologies manufactures custom battery packs designed to aerospace specifications for drones, submarines, satellites, and other space systems. The company aims to address supply chain gaps in the aerospace and defense sectors by scaling production volumes.

1 investor

Lance is an AI operations platform for hotels that autonomously handles guest calls, staff messaging, housekeeping, work orders, and scheduling by operating hotel property management systems and other software directly through computer vision agents.

2 investors

Laurence provides automated PPC (pay-per-click) advertising optimization for Amazon sellers, using algorithmic models to manage and improve campaign profitability.

2 investors

LegalOS combines AI with immigration law expertise to streamline visa and immigration processes for founders and companies. The platform makes immigration services faster, more affordable, and more transparent.

2 investors

Lexius converts existing security cameras into AI-powered systems that detect shoplifting in real time and send alerts to retail staff. The platform serves physical retail stores seeking loss prevention and revenue protection.

1 investor

Lucent is an AI-powered session replay and product intelligence platform that automatically detects bugs, identifies UX problems, and surfaces behavioral patterns across user sessions. It integrates with analytics and error tracking tools to provide detailed bug reports with reproduction steps and affected user lists.

1 investor

Luel develops proprietary technology for machine perception and AI system training across multiple modalities. The company builds data infrastructure and continuous learning systems for AI applications.

1 investor

Mango Medical develops AI systems that generate customized surgical plans for orthopedic procedures, producing detailed recommendations in minutes rather than requiring days of manual planning. The software targets orthopedic surgeons and surgical teams preparing for bone and joint operations.

1 investor

Mantis builds predictive models of individual physiology and behavior by aggregating consented personal data streams (wearables, device telemetry, clinical records) to forecast health outcomes and enable personalized medical decisions. The company serves healthcare providers and researchers by operating as a data broker that delivers scoped, revocable predictions to authenticated applications without selling raw data.

2 investors

Martini is an AI video creation platform designed for filmmakers, studios, and agencies that provides director-level control over shot composition, camera movement, and world building. The platform integrates image generation, video generation, and world models in a single workspace with collaborative features and export capabilities to professional editing software.

2 investors