Map/Customer & Sales/Sierra6.0°S, 72.0°E
CUSTOMER & SALES· CAPITAL CITY

Sierra

Founded by Bret Taylor and Clay Bavor, Sierra builds branded customer-service agents that resolve issues end to end for enterprises like SiriusXM and ADT.

EnterpriseWebAPIGPT● Active
Visit sierra.ai ↗World map

Position on the world map

CUSTOMER & SALES · 6.0°S, 72.0°E
Company
Sierra
Launched
Feb 2024
HQ
San Francisco
Pricing
Enterprise
Platforms
Web · API
Runs on
GPT

Signals & timeline

Chronicle
AUG 25, 2026
LaunchSierra opens Seoul office, bringing agentic customer experience to Korea
Sierra announces the opening of its Seoul office, a deliberate step into the Korean market for sophisticated, enterprise-grade customer-experience agents. Sierra describes the launch as part of a wider international expansion that pairs local presence with its voice personas, context engine, and agent guardrails for the most demanding brands. ↗
OCT 28, 2025
FundingSierra raises $350M at a $10B valuation
Bret Taylor's CX agent platform becomes one of the most valuable enterprise agent companies. ↗

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Field notes

FAQ

What is Sierra?

Founded by Bret Taylor and Clay Bavor, Sierra builds branded customer-service agents that resolve issues end to end for enterprises like SiriusXM and ADT.

Who makes Sierra?

Sierra is built by Sierra, headquartered in San Francisco, and launched in Feb 2024.

Is Sierra free?

Sierra uses a enterprise pricing model and is available on Web, API. Check sierra.ai for current plans.

What models does Sierra run on?

On AgentMaps, Sierra is charted as running on GPT.