---
title: "Sierra, Managed · Conversational-AI platform · Agent Fieldbook"
url: https://agentfieldbook.org/catalog/agents/sierra/
description: "Bret Taylor + Clay Bavor's conversational-AI company: enterprise customer-support agents."
section: "Catalogue · Agents · saas"
source: Agent Fieldbook — generated from the published page
---

# Sierra

**Managed · Conversational-AI platform · Confirmed**

Bret Taylor + Clay Bavor's conversational-AI company: enterprise customer-support agents.

Verified against [sierra.ai](https://sierra.ai/)· 2026-07-08

- [sierra.ai](https://sierra.ai/)

## Spec sheet

| Field | Value |
| --- | --- |
| Foundation | Multi-model + fine-tuned |
| Topology | hub-spoke |
| Type | agent |
| Deployment | cloud |
| Interface | chat· api |
| Context | Model-dependent |
| Pricing | Per-resolution (outcome-based) |
| Scale | $15B+ valuation (May 2026, $950M round)· $100M ARR |
| Tools | CRM + backend action APIs |
| Orchestration | Multi-turn + escalation |
| Country | US |
| Verified | 2026-07-08 |

## Sources

- [techcrunch.com](https://techcrunch.com/2026/05/04/sierra-raises-950m-as-the-race-to-own-enterprise-ai-gets-serious/)

## Verified against

- [https://sierra.ai/](https://sierra.ai/)

The corpus does not rewrite vendor documentation. Where copy is quoted verbatim it is marked as such and attributed to its source.