YC Winter 2025 Infrastructure Startups

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

Total
8
Active
8
Acquired
0
Shut down
0

Y Combinator's Winter 2025 batch included 8 Infrastructure startups. Of these, 8 remain active, 0 have been acquired, and 0 have shut down.

  • ZeroEntropy (6 people) — Artificial Specialized Intelligence
  • Outlit (2 people) — Customer Context for Agents
  • AfterQuery (30 people) — Applied research lab curating data solutions for foundation model…
  • Butter (2 people) — Embedded Sandboxes for Agents
  • TensorPool (3 people) — Vercel For GPUs
  • Flowtel (5 people) — The AI Voice agents for hotels
  • assistant-ui (3 people) — Open Source React.js Library for AI Chat
  • Mundo AI (4 people) — High Quality Multilingual Training Data for AI Models

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