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Sirius

Sirius is an a16z speedrun SR006 company. Based in San Francisco, California, United States of America. Team of 15, founded in 2025.

  • Sales / GTM
  • AI Agents

About Sirius

GPAgent's own fund-neutral profile, written from public information. Updated Oct 4, 2026.

Summary

Sirius builds an AI retention platform for subscription businesses, targeting the early-months churn window that costs consumer companies the most. Its models process subscriber interactions at scale to intervene before cancellation, replacing manual lifecycle campaigns and rule-based retention playbooks. The primary customers are large consumer subscription brands.

Facts

Industry
Sales / GTM / AI Agents
Location
San Francisco, California, United States of America
Team size
15
Founded
2025

Founders (2)

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