YC Summer 2025 Engineering, Product and Design Startups

Y Combinator's Summer 2025 batch included 25 Engineering, Product and Design startups. Of these, 25 remain active, 0 have been acquired, and 0 have shut down.

• Omnara (4 people) — The Open-Source Alternative to Claude Managed Agents
• F2 (15 people) — The AI platform for private markets investors
• Monte (3 people) — Continual Learning for Agents
• Cactus Compute (8 people) — Tiny Edge AI For Tiny Devices
• Magnitude (2 people) — Code with local models, zero setup
• bitrig (3 people) — Vibe code, test, and deploy Swift apps. All from your iPhone.
• Cyberdesk (2 people) — Self learning computer use agent for developers
• Proliferate — Do your life's work with agents
• Autosana (5 people) — AI agents for E2E testing across mobile & web
• Floot (4 people) — The app platform inside Claude and ChatGPT.
• SigmanticAI (2 people) — The Cursor for Chip Design - Delivering Silicon-Ready Chip Designs…
• Hera (5 people) — AI Motion Designer
• stagewise (2 people) — The Open Source Agentic IDE
• idler (12 people) — Hill-climb any benchmark, for any model, in any domain.
• Wafer (10 people) — AI that makes AI fast
• Panels (1 people) — Audio Data for AI Labs
• BootLoop (3 people) — Firmware in minutes, not months - rigorously tested on real hardware
• Embedder (6 people) — Hardware-Aware AI for Embedded Software Development
• Synthetic Society (2 people) — Synthetic Videos to Simulate Real Users
• TraceRoot.AI (3 people) — Open source self-improving layer for AI agents
• Datafruit (2 people) — The AI workspace for software implementations
• Lark (5 people) — The E2E testing layer for AI-driven development
• Topological (2 people) — Physics-based foundation models for CAD optimization.
• Stellon Labs (2 people) — Building tiny frontier AI models that run on edge devices
• Interfere (8 people) — Give engineering, product, and design teams insight into unseen issues