Sierra

by Sierra
Open

An enterprise AI customer service agent: it autonomously holds conversations across many channels and languages and takes actions in company systems.

Description

Sierra is an enterprise-grade AI agent platform for customer service. Agents talk to customers in chat, messengers, by phone and email, run dialogues in 59 languages and perform actions on their own: refunds, orders, CRM updates.

Key features

  • Autonomous agents on chat, SMS, WhatsApp, email and phone
  • Multi-agent orchestration (Agent OS)
  • Actions: CRM, refunds, orders
  • 59-language support
  • Outcome-based pricing

Who it is for

The service targets large brands and enterprises with high support volumes. Founded in 2023, it is used by roughly 40% of Fortune 50 companies.