Y Combinator Spring 2025 (X25) Companies

Eloquent AI builds an enterprise AI platform that automates customer operations and agent tasks for regulated industries like banking, insurance, and fintech. The platform uses autonomous AI Operators that integrate with existing business systems to handle support, sales, onboarding, and complex workflows without requiring engineering or API configuration.

6 investors

Feyn provides a system for organizations to own and fine-tune their own AI models using their proprietary data and expertise rather than relying on third-party models. The platform is designed for enterprises seeking to build customized, continuously improving machine learning systems aligned with their specific knowledge and priorities.

1 investor

Flott is a fleet management platform that unifies telematics, business systems, and external data to provide enriched operational visibility and automate workflows for fleet, equipment, and site management. It serves logistics companies, ride-hailing operators, construction firms, car rental agencies, waste management, and mining operations.

1 investor

Foundation Industries provides low-volume, high-mix manufacturing services to hardware companies in the United States, enabling faster prototyping and domestic production of complex components.

1 investor

Flash is a platform that trains custom machine learning models for AI agents using user-provided data. It offers fixed-price training runs with downloadable model weights that can be deployed anywhere, positioned as a cheaper and faster alternative to frontier models for routine inference tasks.

1 investor

Frekil automates real-world evidence generation for pharmaceutical and healthcare research, using AI agents to build patient cohorts, design studies, and generate statistical analyses from existing clinical data. The platform enables epidemiological workflows across drug safety monitoring, comparative effectiveness, label expansion, and trial feasibility assessments.

1 investor

Galen AI develops a mobile health application that aggregates medical records from healthcare providers and wearable devices, then uses AI to provide personalized health insights and recommendations for patients managing multiple conditions.

1 investor

Godela develops AI models that learn the laws of physics from simulation data to predict system behavior with solver-level accuracy in seconds. The platform serves engineers and designers across thermal, aerodynamic, magnetic, and structural domains by enabling physics-based design optimization without traditional simulation tools.

5 investors

Golf provides governance and security monitoring for AI agents and MCP (Model Context Protocol) connections in enterprise environments. The platform discovers, enforces policies, and audits data access across third-party AI tools like Claude, Cursor, and Copilot that operate outside traditional gateways.

1 investor

GroundControl is a vertical SaaS platform for regulated manufacturers in aerospace, defense, automotive, and life sciences that automates quality workflows including inspections, compliance reporting, and data validation using AI and OCR to replace legacy systems and spreadsheets.

1 investor

Habitrobotics develops conversational robots for deployment across the United States. The company is currently in private beta with general availability coming soon.

1 investor

Hanji extracts structured data from documents including forms, insurance claims, faxes, and scanned PDFs, returning text, tables, and figures with source citations. The platform serves healthcare and claims processing teams that require accuracy and auditability for eligibility, billing, and approval workflows.

1 investor

Helix is a database built on object storage that combines knowledge graphs, vectors, temporal and full-text search capabilities for AI agents, retrieval-augmented generation (RAG), and enterprise knowledge management applications.

1 investor

Hemut builds software solutions for the freight and 3PL industry to improve operational efficiency for trucking operators and logistics companies. The platform aims to streamline industry workflows while providing financial benefits to drivers.

1 investor

Human Behavior uses AI to analyze session recordings and automatically identify user friction points, bugs, and interaction patterns in product interfaces. It provides automated insights, generates fixes via coding agents, and integrates with development tools to help product teams improve user experience without manual review.

2 investors

IRBC provides a multi-currency banking platform tailored for global businesses and founders, offering checking accounts, payment cards, international transfers, invoicing, and treasury services through a single integrated interface.

1 investor

Jeevy Fabrication operates a software platform that matches custom welded component orders with qualified fabricators in its network, using automated drawing analysis to generate bills of materials and production schedules. The platform serves manufacturers seeking faster turnaround and cost reduction for complex weld jobs while providing the contracted shops and clients visibility into project timelines and materials.

2 investors

Kaelio builds infrastructure for AI agents to answer business data questions using governed context, approved metrics, and auditable sources. The platform serves data teams and analytics leaders who need AI systems to operate with the same definitions, permissions, and business logic as their existing reporting systems.

2 investors

Kairos provides an applied AI layer that enables enterprises to build specialized agents trained on their proprietary data and workflows. The platform helps critical industries bridge the reliability gap in enterprise AI by embedding operator expertise into customized agents that work within messy real-world business environments.

1 investor

Kaizen provides a platform for defining and executing browser automations by writing workflows in plain English, targeting enterprise customers across healthcare, logistics, fintech, and procurement sectors who need to automate interactions with portal-based systems and processes.

1 investor

Kanava AI provides voice-based AI agents for wholesale distributors that handle routine inbound sales activities like stock checks, pricing inquiries, and CRM updates, with capabilities that expand to managing full sales calls and identifying upsells as the system learns from top performers.

1 investor

Kashikoi is an AI evaluation platform that simulates real-world interactions to autonomously assess AI agents without requiring code. The platform helps developers benchmark and optimize AI agents across various task types before deployment.

1 investor

Kestral analyzes customer feedback from sales calls and feature requests to identify what customers need most, consolidates duplicate requests, and prioritizes development work by impact and frequency. The platform connects customer feedback to product roadmaps and enables follow-up with customers once features are built.

1 investor

Kirana AI develops an AI-based store management system that uses on-site cameras and sensors to monitor physical retail locations for loss prevention, workplace safety, and customer service optimization, with plans to expand into automated ordering, pricing, and inventory management.

1 investor