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Indexical

DefunctYC W23

San Francisco, US Β· Founded 2022 Β· 2 employees Β· 1 known investors

Indexical provides an AI semantic indexing and retrieval platform that uses dense vector embeddings and hybrid search (combining vector similarity with keyword retrieval) to improve enterprise search accuracy. The platform serves enterprise organizations seeking better document retrieval, question-answering, and knowledge discovery across domain-specific corpora.

Also known as Nebula

Founders & leadershipΒ· Y Combinator alumni (W23)

Indexical was founded in 2022 by Shanelle Roman and Vishnu Menon.

SRShanelle Roman
Shanelle RomaninCo-Founder2022–2025She previously worked as a product manager at Google on advertising products and holds a Computer Science degree from Yale.
VMVishnu Menon
Vishnu MenoninFounderVishnu Menon is a software engineer who previously co-founded an ML startup and led data and platform initiatives at a marketing technology company. He holds a degree in Computer Science from Duke University.

Investors Β· 1

In the news

Frequently asked questions

What does Indexical do?
Indexical provides an AI semantic indexing and retrieval platform that uses dense vector embeddings and hybrid search (combining vector similarity with keyword retrieval) to improve enterprise search accuracy. The platform serves enterprise organizations seeking better document retrieval, question-answering, and knowledge discovery across domain-specific corpora.
Who founded Indexical?
Indexical was founded by Shanelle Roman, Vishnu Menon in 2022.
Who are Indexical's investors?
Indexical's investors include Y Combinator.
Where is Indexical headquartered?
Indexical is headquartered in San Francisco, US.