SID YC Application

Summer 2023Active

SID went through Y Combinator in the Summer 2023 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: Summer 2023
Industry: B2BEngineering, Product and Design
Team size: 4
Status: Active
Launched: 2023

Founders

Maximilian-David RumpfFounder
Lotte SeifertFounder

What SID does

SID is an AI research lab based in San Francisco. We train models that can retrieve and reason over any data source.

SID's YC application, reconstructed

Y Combinator application

SID, Summer 2023 batch. The real form questions, answered from public data.

Founders2
Company7
Progress7
Idea4
Equity3
Curious2
Batch Preference1

Company

Company name

SID

Describe what your company does in 50 characters or less.

AI research lab for retrieval

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

We build models that can retrieve and reason over any data source. Our product lets users query diverse and unstructured information effectively, helping engineers and product teams access and correlate data from different places without manual tagging or custom integrations.

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

We live in San Francisco and the company will remain based here after YC.

Explain your decision regarding location.

Being in San Francisco gives us direct access to a dense network of AI talent, early customers, and industry partners, which is crucial for both hiring and feedback in our field.

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.

See full application

Frequently Asked Questions

Is this the real SID YC application?

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