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Costream

YC S25

Los Angeles, US · Founded 2025 · 7 employees · 1 known investors

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Ask Abhishek Sharma to introduce you to Ayush Mahna

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Costream creates indexes of conversations that occur within digital products, making human dialogue searchable and accessible.

Also known as Candytrail · Wisp AI

ConsumerUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (S25)

Costream was founded in 2025 by Aditya Mahna and Ayush Mahna.

AMAditya Mahna
Aditya MahnaFounder (YC S25)Aditya Mahna studied computer science at Cornell before leaving to work in AI. He previously built and scaled an AI company to over 100,000 users.
AMAyush Mahna
Ayush MahnaCo-FounderAyush Mahna studied at Cornell and previously developed a consumer application that reached over 100,000 downloads.

Investors · 1

Frequently asked questions

What does Costream do?
Costream creates indexes of conversations that occur within digital products, making human dialogue searchable and accessible.
Who founded Costream?
Costream was founded by Aditya Mahna, Ayush Mahna in 2025.
Who are Costream's investors?
Costream's investors include Y Combinator.
Where is Costream headquartered?
Costream is headquartered in Los Angeles, US.