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Sierra

Bret Taylor's enterprise AI agent company — $4.5B valuation.

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About

Sierra (sierra.ai) is the enterprise AI agent company from ex-Salesforce co-CEO Bret Taylor: AI agents for customer experience at large brands, with heavy emphasis on trust and supervision.

$4.5B valuation (2024, provider-reported); the prestige pick for enterprise CX agents. Pricing is quote-based.

What it can do

  • Enterprise AI agents
  • Supervision controls
  • Brand-safe CX
  • Big-brand customers
  • Agent OS

Setup

  1. Contact Sierra sales.
  2. Design agent workflows with their team.
  3. Deploy with supervision controls.
  4. Monitor and refine.

Prerequisites

Enterprise contract.

Use cases

supportautomation

Works with

Generic APIAny agent (.md)

Trust score — 7/10

/10 trustMetrics-checked

Scored 7/10 (metrics tier). Prestige enterprise AI-agent company with serious funding and big-brand customers. Docked for proprietary licensing, opaque pricing, and closed metrics (provider-tier adoption estimate). Metrics tier.

How the trust score is built

Full methodology →
Adoption · stars/downloads, log-scaled vs peers
8.0/10
Maintenance · recency, releases, issue load
5.0/10
Openness · license + docs
4.8/10
Manual review · sanity read + red-flag check
8.0/10
  • · provider-tier estimate — thinner evidence (no public adoption metric)
  • · Serious funding, big brands — provider-tier estimate
  • · no release date — neutral maintenance score
  • · Prestige enterprise AI agents; $4.5B valuation (provider-reported). Closed SaaS, opaque pricing.

Sources

Every fact above was checked against these sources. Where a claim comes from the provider and couldn't be independently verified, the text says so.