YC Spring 2026 B2B Startups

Y Combinator's Spring 2026 batch included 122 B2B startups. Of these, 122 remain active, 0 have been acquired, and 0 have shut down.

• Autostep (2 people) — The P&L for knowledge work
• Miso Labs (2 people) — Emotive foundation voice models
• Foresight (2 people) — Consumer simulations for CPG market research
• TakeCareOS (1 people) — AI-native operating system for long term care providers
• Sazabi (10 people) — The AI-native observability platform for fast-moving engineering teams
• Superset (3 people) — The IDE for the AI Agents Era
• Regbase (3 people) — Automating Corporate Compliance, Worldwide
• Bloom (3 people) — The brand layer for agents.
• Korso (3 people) — The Intelligence Layer for Manufacturing.
• Saffron (3 people) — Helping your company find 10x engineers.
• The Company Company (1 people) — The last agent your company will ever need.
• Andustry (2 people) — We help manufacturers find suppliers for industrial equipment.
• Superlog (2 people) — Make software self-healing
• Interfaze (5 people) — AI model built for high accuracy deterministic tasks
• Smartbase (2 people) — AI-native ERP for manufacturers
• Ploy (14 people) — Ploy turns your website into your company's growth engine.
• Linzumi (3 people) — Team chat to command all your company's coding agents
• Salesgraph (2 people) — Proactive revenue agents that move enterprise deals forward
• InstaAgent (9 people) — Scale marketing campaigns across hundreds of personas
• StableBrowse (4 people) — Browser Layer for AI agents
• Fuchsia (3 people) — Vanta for hardware
• Lamina Labs (2 people) — Near-real-time video infrastructure for LLMs
• Cignara (4 people) — AI Customer Support for Fortune 500-scale enterprises
• Ontora (3 people) — AI agents that interviews every employee to hand context to AI tools.
• Netter (4 people) — AI native Palantir for mid market.
• Inth (3 people) — Enterprise privacy governance for companies that ship fast
• Sidekick (1 people) — AI-powered SMS assistant for deskless workers.
• Parrot (2 people) — Agentic operating system for auto repair shops
• smol machines (1 people) — Ship software faster with portable, self contained virtual machines.
• Datost (2 people) — The proactive AI data analyst
• General Instinct (2 people) — Deployable Physical AI on Any Edge Device.
• primitive (4 people) — communication for agents
• Stage (2 people) — Code review platform for humans and agents
• Walter — AI Employee for Manufacturing Operations
• PerfectBit, Inc. (2 people) — Correct by construction AI training data
• Chronicle Labs (2 people) — Staging Environments for Enterprise AI Agents
• Memoir (2 people) — Marketing campaigns from everything your team ships
• Ardent (2 people) — Database sandboxes for Agents
• Saudara AI (2 people) — AI Native Sourcing Broker For Overseas Manufacturing
• WithAI (3 people) — Agent harnesses for asset managers
• OpenWork (4 people) — The open source alternative to Claude Cowork
• Amboras (3 people) — AI Native Shopify
• ProjectX (6 people) — Agent native workspace for heavy parallel workflows on the web
• Replicas (2 people) — Run any coding agent harness in the cloud
• Probe (3 people) — Agent-Native Incident Management
• Hexa (3 people) — Autonomous operations for industrial distributors
• Indexable (3 people) — sandbox infrastructure for AI agents
• KugelAudio (4 people) — Kugel is an on-prem Voice AI model supporting 30+ languages
• InsForge (6 people) — The agent-native AWS
• Scope (2 people) — We help software companies get discovered and used by AI agents
• Lightsprint (3 people) — Collaborative product development with cloud agents
• Chert (2 people) — iMessage infrastructure for business
• Incandor — Behavioral intelligence infrastructure for anti-fraud
• Zenbu (1 people) — The extensible IDE for coding agents
• Dayjob (5 people) — AI Scheduling for Short Haul Trucks
• Trellis (5 people) — Agents that run short-term rental operations end-to-end
• Atrisa (3 people) — AI Agents for Analog Circuit Design
• Hub (10 people) — Real-world training data for frontier AI labs and robotics.
• Limrun (1 people) — Extend cloud sandboxes with iOS, Android and more
• Elyra (2 people) — AI Reservation System for Restaurants