<!-- Canonical: https://www.agentlist.io/compare/sierra-vs-decagon -->

# [SierraSierra · digital-employee](https://www.agentlist.io/systems/sierra)vs[DecagonDecagon · digital-employee](https://www.agentlist.io/systems/decagon)

The two flagship AI customer-service employees. Sierra sells outcome-priced resolution for large consumer brands; Decagon sells agent tooling with engineering-grade controls (AOPs) for the support ops team.

agentlist.io · spec diff · verified 2026-09-25 — list prices only, not benchmarks

SEC.01

## Spec diff

SierraDecagon

vendorSierraDecagon

categorydigital-employeedigital-employee

interfaceschat · voice · apichat · voice · api

hostingcloudcloud

pricingOutcome-based (per resolved conversation); enterprise contractsEnterprise; per-resolution or per-conversation pricing — quote-based

statusactively maintainedactively maintained

also known asSierra AgentDecagon AI

SEC.02

## Pick which

pick Sierra if

You want a branded, fully managed agent at a large consumer brand and prefer outcome-based pricing.

pick Decagon if

You want your support-ops team writing and auditing the procedures the agent follows.

watch out

Both are enterprise contracts — the real comparison is containment quality on your ticket mix, so pilot on the same corpus.

SEC.03

## Feature notes

-   Sierra
-   01Chat + voice support
-   02Takes real actions (refunds, changes)
-   03Brand-specific voice + policies
-   04Outcome-based pricing
-   05Agent OS authoring platform
-   06Enterprise guardrails

-   Decagon
-   01Chat, email + voice coverage
-   02Agent Operating Procedures (AOPs)
-   03Escalation + handoff controls
-   04Support analytics
-   05Transparent reasoning logs
-   06Per-resolution pricing

FAQ

## Frequently asked

### Sierra or Decagon — which should I pick?

The two flagship AI customer-service employees. Sierra sells outcome-priced resolution for large consumer brands; Decagon sells agent tooling with engineering-grade controls (AOPs) for the support ops team. Pick Sierra if: You want a branded, fully managed agent at a large consumer brand and prefer outcome-based pricing. Pick Decagon if: You want your support-ops team writing and auditing the procedures the agent follows.

### Is Sierra or Decagon cheaper?

Sierra: Outcome-based (per resolved conversation); enterprise contracts. Decagon: Enterprise; per-resolution or per-conversation pricing — quote-based. List prices as of 2026-09-25; usage pools and seat terms change the real cost.

### Does Sierra or Decagon run locally?

Sierra hosting: cloud. Decagon hosting: cloud. Interfaces differ too: Sierra exposes chat/voice/api, Decagon exposes chat/voice/api.

### Are Sierra and Decagon still maintained?

Sierra: actively maintained. Decagon: actively maintained. Statuses are re-verified each catalog refresh (2026-09-25); see the changelog for the full history.

ALT

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A

## Sierra

Sierra is the customer-service AI employee for large consumer brands: it resolves support conversations across chat and voice, takes actions in business systems, and bills on outcomes.

[full spec sheet →](https://www.agentlist.io/systems/sierra)

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

B

## Decagon

Decagon builds autonomous customer-support agents that resolve chats, emails, and calls for mid-market and enterprise brands, with engineering-grade tooling for the ops team behind them.

[full spec sheet →](https://www.agentlist.io/systems/decagon)

-   [↗ decagon.ai](https://decagon.ai/)

SRC

## Data

Fields come from the seed catalog, re-verified 2026-09-25. This page compares recorded specs — it does not rank performance. See the [changelog](https://www.agentlist.io/changelog) or the [JSON feed](https://www.agentlist.io/api/v1/systems).

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Source: [Sierra vs Decagon: spec comparison | agentlist.io](https://www.agentlist.io/compare/sierra-vs-decagon). This is the public page rendered as Markdown; interactive controls require the website.