Sim

Sim YC Application

Spring 2025Active

Sim went through Y Combinator in the Spring 2025 batch as a B2B company. Below: what the company does, who founded it, and its application to YC, reconstructed question by question in the real YC form.

YC batch
Spring 2025
Industry
B2B
Team size
6
Status
Active
Launched
2025

Founders

  • Emir Karabeg
    Emir KarabegCo-Founder / CEO
  • Waleed Latif
    Waleed LatifCo-Founder & CTO

What Sim does

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.

Sim's YC application, reconstructed

Y Combinator application

Sim, Spring 2025 batch. The real form questions, answered from public data.

  1. Founders2
  2. Company7
  3. Progress7
  4. Idea4
  5. Equity3
  6. Curious2
  7. Batch Preference1

Company

Company name

Sim

Describe what your company does in 50 characters or less.

Open source platform to build AI agent workflows

What is your company going to make? Please describe your product and what it does or will do.

We are building Sim, an open source platform that allows technical teams to quickly create and deploy AI agent workflows. It connects over 1000 apps and large language models to automate complex tasks and streamline developer workflows.

Where do you live now, and where would the company be based after YC?

We currently live in San Francisco, CA, and intend to keep Sim based here after YC.

Explain your decision regarding location.

San Francisco is where most of our team is located and where we can best engage with the AI and developer community that uses Sim.

21 more answers in the full application

Founders, Progress, Idea, Equity, Curious, Batch Preference are in the full version. Create a free account to open it in YC Insights, next to every other YC batch.

Frequently Asked Questions

Is this the real Sim YC application?

No. Y Combinator keeps submitted applications private. This is a reconstruction: the real YC form questions, answered from Sim's public data (launch notes, founder backgrounds, product description). It shows how a company like Sim would present itself to YC, not the text they submitted.

What YC batch was Sim in?

Sim was part of the Y Combinator Spring 2025 batch.

Who founded Sim?

Sim was founded by Emir Karabeg, Waleed Latif.

What does Sim do?

Open source platform to build AI agent workflows

How do I read the full reconstructed application?

Create a free Round Funded account. The full 26-answer version of Sim's application, and every other YC batch, is in YC Insights.

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