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Sierra
VerifiedAgentic customer experience with guardrails, voiced by top brands.
4.7· RatingCustomer Service· Usage-based
Overview
Sierra, founded by Bret Taylor and Clay Bavor, deploys AI agents for customer experience with a focus on brand voice, guardrails, and measurable resolution quality. Its Agent OS supervises agent behavior, making it trusted by enterprises like SiriusXM and Sonos.
Best for
Consumer brands where CX quality is the brand.
Highlights
- Outcome-based pricing on resolutions
- Sophisticated guardrails and oversight
- Proven at premium consumer brands
Supported Models
Model-agnostic (audited per use case)
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