Sim (YC Spring 2025)

TL;DR: Sim is a Y Combinator Spring 2025 startup Open source platform to build AI agent workflows, currently active with a team of 6.

Open source platform to build AI agent workflows

YC ID
30440
YC Batch
Spring 2025
Status
Active
Team size
6
Industry
B2B
Tags
AI
YC profile
https://www.ycombinator.com/companies/sim

Last verified:

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.

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Frequently asked questions

Is Sim a YC (Y Combinator) company?

Yes. Sim was funded by Y Combinator in the Spring 2025 batch. Open source platform to build AI agent workflows

What does Sim do?

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.

What YC batch was Sim in?

Sim was part of Y Combinator's Spring 2025 batch.

How big is Sim?

Sim has a team of 6 people according to Y Combinator's directory.

Is Sim still active?

Sim is currently listed as Active with a team of 6 in Y Combinator's directory.

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