Indexical
DefunctYC W23San 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
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSGenerative AIB2BEnterpriseUnited States of AmericaAmerica / Canada
Founders & leadershipΒ· Y Combinator alumni (W23)
Indexical was founded in 2022 by Shanelle Roman and Vishnu Menon.
SR
Shanelle RomaninCo-Founder2022β2025She previously worked as a product manager at Google on advertising products and holds a Computer Science degree from Yale.
VM
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.

