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Sierra

Sierra

Builds branded AI agents for big companies that handle customer conversations across chat, email, voice and messaging, priced on outcomes.

Last checked 7 Nov 2026 · sierra.ai ↗

The facts

Category
Customer service
Made by
Sierra
How it charges
Enterprise contract
Starting price
contact sales (outcome-based)
Free plan or tier
No
UK or EU data hosting
Not published
Certifications
SOC 2, ISO 27001, ISO 42001, HIPAA, GDPR, PCI DSS, FedRAMP
API
Yes
Suits
Large (250+)
Maturity
Growing

Prices and hosting options are the vendor’s published terms on the date checked. Check the vendor’s site before you buy.

Alternatives in the database

Sources

  1. https://sierra.ai/

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    Sierra: what it does, price and data hosting · vocabotics