YC Spring 2025 B2B Startups

Y Combinator's Spring 2025 batch included 98 B2B startups. Of these, 95 remain active, 2 have been acquired, and 1 have shut down.

• Lumari (5 people) — AI Digital Workers for Supply Chain
• Golf (1 people) — Agentic AI Security and Governance
• Mesmer (7 people) — The operating system for the 100x Engineering Team
• Sim (6 people) — Open source platform to build AI agent workflows
• Atlog (2 people) — Voice AI That Won't Get You Sued
• Blaxel (8 people) — The perpetual sandbox platform
• Plexe (2 people) — Open-source agents to build predictive ML models from a prompt
• Parsewise (6 people) — Multi-document processing for your risk teams, AI agents, pipelines
• Vybe (8 people) — Secure internal apps. Built by AI in seconds. Powered by your data.
• nao Labs (2 people) — Open Source Analytics Agent
• BitBoard (2 people) — Let your agent build dashboards and reporting.
• cubic (3 people) — AI-powered code review platform
• Kanava AI (2 people) — Your First AI Sales Hire for Wholesale Distributors
• Minerva (5 people) — AI native accounting firm
• Cua (3 people) — Give every agent a cloud desktop
• Feyn (3 people) — Custom models trained on your data
• HelixDB (6 people) — The fastest & most scalable graph-vector database on the market
• Alpha Research (1 people) — Open source, agentic knowledge bases for all of humanity's knowledge.
• Kaelio (8 people) — The open-source context layer for data agents
• Beluga (3 people) — Influencer marketing that converts
• Clarm (2 people) — Build governed AI agents on your own data, without code
• stratify (2 people) — AI agents that help you understand your customers' needs
• PgDog (3 people) — Scaling engine for PostgreSQL
• Attune (3 people) — Faster builds, zero effort.
• Bluejay (10 people) — Test, monitor, and improve your voice and chat AI agents
• Kestral (3 people) — We automate your entire product development lifecycle.
• Tinfoil (5 people) — Encrypted AI with verifiable privacy
• Sixtyfour (12 people) — Intelligence Infrastructure on People and Entities
• Combinely (5 people) — AI coworker for Accountants
• Freesolo (4 people) — Product Native Models
• Clidey (5 people) — Turn scattered data into one platform for decision-making
• Casco (10 people) — Autonomous security testing for web apps, APIs, cloud, and AI systems
• Crimson (6 people) — The AI Associate for Litigation Lawyers
• Flott HQ (2 people) — AI-native operating system for vehicle fleet management
• throxy (15 people) — Vertical AI agents that run the sales funnel on autopilot
• Anana (2 people) — The agentic system of action for hotel groups and management companies
• Lyra (4 people) — AI native meeting platform
• Eloquent AI (5 people) — The AI Operator for Financial Services
• ValueMate (2 people) — Valuemate automates real estate appraisals with AI
• Hemut (3 people) — AI-powered operating system for trucking companies.
• Orchid (3 people) — A personal EA in your iMessage
• Kairos (2 people) — Specialized AI for Critical Industries
• Cotool (4 people) — AI Agents for Security Operations Teams
• mlop (2 people) — Experiment tracking for training ML models
• StarSling (2 people) — Self-Driving CI
• Theorem (4 people) — Program verification so even your systems engineers can vibecode
• Airweave (7 people) — The open-source context retrieval layer for agents
• sieve (2 people) — AI + human review to solve data cleaning - accessible via API or Excel
• BitPatrol (1 people) — AI-powered code security
• Godela (10 people) — AI Physics Engine to replace simulations and prototypes
• Sureform (2 people) — Real-world data for multimodal and embodied AI
• Docket (2 people) — AI agents for web testing
• Cohesive (2 people) — The agentic CRM for blue-collar services
• Leeroo (3 people) — Organizational Superintelligence
• Prism (3 people) — Deploy AI Agents with a Single API Call
• Lapel (5 people) — Scale personalized service to every customer.
• Blueshoe (2 people) — The AI-Native Consumer + Plaintiff Law Firm
• Theta (7 people) — Specialized AI for Every Job
• Kirana AI (2 people) — AI manager for physical stores
• Labric (2 people) — The data layer for scientific research