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AIMarketCap

Sierra

PrivateRank #27 by valueUnited StatesFounded 2023sierra.ai

Enterprise AI company providing Agent OS and related tools for building, deploying and improving customer-facing AI agents across chat, voice and digital channels.

AI valuation
$15B*50.0%increase
May 4, 2026 · Sierra
Change vs Sep 4, 2025
ModelReleased
No models recorded.

* Market cap / valuation. Company values are AI-attributed: the latest market cap or valuation × the share attributed to AI (100% for pure AI companies). Methodology

Sierra — releases, models and financials · The Artificial Index