# Decagon vs Sierra
_Customer Support Agents · independent comparison_

> Decagon and Sierra are both commercial customer support agents. GitHub stars don't measure commercial adoption, so weigh them on pricing model, capabilities, and how you want to buy — not on a star count.

## Side by side

**Decagon**
- Paid product · Platform
- Best for: Enterprise support automation across chat, email, and voice with strong analytics.
- Avoid if: You need a quick self-serve start.
- [listing](https://agentsearchengine.app/agents/decagon) · [official](https://decagon.ai)

**Sierra**
- Paid product · Platform
- Best for: Enterprises that want white-glove conversational AI for customer experience.
- Avoid if: You want self-serve setup and transparent usage pricing.
- [listing](https://agentsearchengine.app/agents/sierra) · [official](https://sierra.ai)

## Which to choose

**Choose Decagon if:** Enterprise support automation across chat, email, and voice with strong analytics.

**Choose Sierra if:** Enterprises that want white-glove conversational AI for customer experience.

## FAQ

**What's the main difference between Decagon and Sierra?**
Both are customer support agents built for a similar job; the differences are subtle — compare them on pricing and delivery model in the table above.

**Is Decagon or Sierra better?**
Neither is universally better. Decagon is the stronger fit for Enterprise support automation across chat, email, and voice with strong analytics; Sierra for Enterprises that want white-glove conversational AI for customer experience. Use the side-by-side specs to decide by your own constraints.

**Is Decagon or Sierra free?**
Decagon is a paid product; Sierra is a paid product.

**Which is more popular, Decagon or Sierra?**
We rank open-source projects by GitHub adoption, but at least one of these is a commercial product and stars don't measure commercial adoption — so compare them on capabilities and pricing instead.

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Source: [Agent Search Engine](https://agentsearchengine.app) — https://agentsearchengine.app/compare/decagon-vs-sierra