YC Summer 2026 Infrastructure Startups

Y Combinator's Summer 2026 batch included 26 Infrastructure startups. Of these, 26 remain active, 0 have been acquired, and 0 have shut down.

• Riften — Earned intelligence for every company
• Archal (2 people) — API sandboxes, built for AI agents
• Codag (1 people) — Tool call compression for agents.
• Parasma (1 people) — Training human brain cells for AI compute
• Dialogus (3 people) — The AI-native contact center.
• Context.dev (1 people) — We give AI agents realtime web context.
• Mireye (2 people) — Infrastructure for Physical World AI Agents
• Edviro (2 people) — AI That Operates Energy Infrastructure and Data Centers
• Experiential Labs (2 people) — Open source OpenRouter that turns your traffic into a better model
• Induction Labs (2 people) — Building intellectually curious AI
• OneTriangle (4 people) — The cheapest, fastest lightweight inference.
• GitCafe (2 people) — The Git forge for the next hundred billion commits
• Touchmark (2 people) — Market for future inference capacity
• machine0 (1 people) — Cloud computers for AI agents
• Inkbox (3 people) — The identity and communication layer for AI agents
• Amulet (2 people) — High performance file system for agents
• hiloop (2 people) — Autoresearch as a service: we solve your hardest measurable problems
• OpenVector (4 people) — AI that turns any camera to an autonomous worker with real-time vision
• Understudy Labs (2 people) — Self-optimizing neocloud that cuts LLM bills by 80%
• Speko (4 people) — OpenRouter for Voice AI: one API, every call on the best speech model
• Executor (1 people) — The open source tool gateway
• Familiar (8 people) — Real-Time AI Dubbing. Neolab for World Translation.
• Markov (2 people) — Expert computer-use data for frontier AI labs
• Decawork (2 people) — The Agent Control Plane for IT teams
• Magma (1 people) — Monetize your agent's traces.
• Caution (5 people) — Hosting platform for software you don't want to have hacked