YC Summer 2025 Infrastructure Startups

13 Y Combinator Infrastructure companies from the Summer 2025 batch — with team size, status, and one-liner for every startup.

Total
13
Active
11
Acquired
1
Shut down
1

Y Combinator's Summer 2025 batch included 13 Infrastructure startups. Of these, 11 remain active, 1 have been acquired, and 1 have shut down.

  • AgentMail (10 people) — Email Inboxes for AI Agents
  • Dedalus Labs (10 people) — Compute substrate for AI agents
  • truthsystems (6 people) — Automatically blocking risky behavior with real-time governance agents
  • LLM Stats (2 people) — Independent AI evaluations lab
  • Imprezia (4 people) — The World's First AI Ad Network.
  • Pangolin (3 people) — Identity-aware VPN and proxy for remote access to anything, anywhere.
  • Manufact (5 people) — Cloud infrastructure for MCP servers and Claude / ChatGPT apps.
  • Relling — deploying the first billion robots for manufacturing
  • Metis (13 people) — Infrastructure to build reliable agents
  • Modelence (3 people) — Build production-ready apps with AI
  • Luminal (5 people) — Making AI run fast on any hardware.
  • Nuntius (2 people) — Making Models Follow Rules.
  • KERNEL (6 people) — Crazy fast, open source infra for AI agents to use the Internet

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