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Sierra

Conversational AI platform for branded customer experience agents.

Large consumer brands & regulated enterprises

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Overview

Sierra helps large businesses deploy one AI agent across phone, chat, SMS, WhatsApp and email. Its Ghostwriter builds a first production agent from your SOPs or transcripts, with built-in guardrails.

Pricing

Not publicly listed (outcome-based)

Checked against the vendor's public pages in October 2026. Vendors change pricing often — confirm the current plan on their site.

Key features

Ghostwriter builds agents from your SOPs
No-code Studio + SDK, 40+ integrations
Monitors, experiments & deep analytics

Alternatives to consider

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Forethought

Multi-agent AI system that resolves, triages and QA-checks tickets.

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