Y Combinator Spring 2025 (X25) Companies

Klavis provides a platform for training AI models on long-horizon coding tasks, including code editing, test writing, and debugging, using reinforcement learning and supervised fine-tuning with Docker-packaged environments.

1 investor

Labric provides a platform that automatically captures and structures laboratory instrument data, enabling researchers to generate AI-ready datasets and provide decision-makers with visibility across experimental results. The platform supports 300+ instruments and serves academic and enterprise research organizations.

1 investor

Leeroo builds Uniforge, a platform that uses autonomous AI agents to connect enterprise data, resolve it into actionable models, and act on insights without requiring manual ETL pipeline development. The platform targets enterprise customers seeking to unlock value from their data through AI-driven automation.

2 investors

Libretto provides open-source CLI tools, debug agents, and browser utilities for developers to build and maintain reliable web integrations. The platform targets developers and integration engineers working on web connectivity and data exchange.

1 investor

Lucis provides personalized health monitoring and guidance by combining laboratory biomarker testing with educational insights and actionable recommendations. The platform helps individuals and healthcare providers identify health risks early through accredited laboratory tests across Europe, with results explained in accessible language.

1 investor

Lumari builds an AI-native software platform that automates procurement and sourcing operations for supply chain management. The company serves enterprise organizations seeking to optimize supply chain efficiency through intelligent automation.

1 investor

Mbodi develops AI-powered robots that can learn new tasks through natural language instructions and demonstration, eliminating the need for reprogramming when processes change. The company targets manufacturers and production facilities that need flexible automation that adapts in real-time to changing conditions and scales across robot fleets.

9 investors

Mesmer builds an operating system for engineering teams that uses AI and ground-truth data from code and tickets to provide visibility into engineering work and automate management tasks. The product serves engineering leaders and CTOs seeking to understand organizational productivity, identify bottlenecks, and capture AI-related productivity gains.

3 investors

MindFort builds autonomous security agents and infrastructure to automate vulnerability detection, validation, and patching. The company serves security teams at organizations of any size, addressing the gap between attackers and defenders through AI-powered autonomous security.

1 investor

Minerva builds AI automation infrastructure for accounting firms, automating journal entries, reconciliations, month-end close, tax document processing, and CFO advisory work. The company provides industrial-grade AI tailored to accounting workflows with enterprise-grade security and full audit trails.

3 investors

MLOp.ai provides an open-source machine learning operations platform for tracking, optimizing, and collaborating on ML experiments. The platform enables teams to build, track, and deploy machine learning models with real-time performance monitoring, reproducibility, and integration with existing development workflows.

1 investor

Moby Analytics builds an AI-powered Excel add-in that automates audit testing, general ledger analysis, and financial statement tie-outs for audit firms. The platform runs analyses and generates documented workpapers within Excel while maintaining secure data handling and compliance standards.

2 investors

Morphik extracts and processes invoices from multiple sources including email, vendor portals, and scanned documents, automatically coding and posting them to the general ledger. The platform handles the full procure-to-pay cycle for finance teams, including payment processing and check issuance.

1 investor

MorphoAI provides a software platform that uses AI and optimization algorithms to help engineers design and refine robot and machine configurations from available parts within minutes, reducing typical design timelines and enabling faster hardware commercialization.

1 investor

Naïve is a platform for building and running autonomous agents that coordinate workflows, manage tasks, and control real spending through virtual cards. It provides infrastructure and primitives for agent-based automation and orchestration.

2 investors

Nao is an open-source analytics agent platform that enables users to query data warehouses in natural language through a managed or self-hosted chat interface. The platform is designed for data teams and business users to explore structured data, metrics, and models without writing SQL.

2 investors

1 investor

Nimbic AI provides AI-powered automated documentation generation for software development teams. It analyzes codebases, generates comprehensive documentation, and keeps it synchronized with code changes in real-time.

1 investor

Nomi is a real-time sales copilot that delivers messaging and talking points to sales representatives during live calls using AI. The tool helps sales teams respond instantly with relevant answers and proof points during customer conversations.

1 investor

Novoflow provides a patient cancellation and no-show recovery system that integrates with existing EHR platforms to automatically identify, match, and contact patients to reschedule missed appointments.

2 investors

Opusense provides AI-powered inspection software for construction, engineering, and property teams that captures field data through photos, voice notes, and text, then automatically generates branded reports and maintains searchable inspection records.

1 investor

Orchid is a personal assistant that operates via text messaging to help users with organization, information retrieval, and task completion. It integrates with users' existing tools and apps to automate habits, manage administrative tasks, and track personal details.

1 investor

Paper Instruments develops frontier models and tooling designed for knowledge work, including agent-first office documentation libraries and models tailored for professional services and white-collar work.

1 investor

ParaQuery provides data processing tools designed to reduce costs and improve efficiency for data teams. The platform optimizes workloads for popular data warehouses including BigQuery, Snowflake, and Redshift.

1 investor