Sim logo
YC P25

Sim

Open source platform to build AI agent workflows

About

Sim enables fast-growing technical teams to build and deploy AI agent workflows. 70,000+ developers are already using Sim, integrating with 1000+ apps and LLMs to streamline workflows with AI agents.

Founders

Family Office Investors

Altss tracks family office allocations to YC-backed companies. Request access to see which family offices have invested in Sim.

See family office activity

Industry & Focus

B2BAI