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Costream

Indexing human dialogue through digital products

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About

Costream is a tech company based in San Francisco, United States, started in 2025. Indexing human dialogue through digital products. It went through Y Combinator in the Summer 2025 batch. The team is around 8 people.

Facts
Website
costream.ai
City
San Francisco
Country
United States
YC batch
Summer 2025
Team
8 people
Stage
Early stage
AI-native
No

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