Decagon vs Sierra
In short, Sierra leads on customer support (7.6 to 7.4); Sierra leads on voice and phone (7.2 to 6.7). Here's who should pick which.
Published · Updated . Facts checked November 12, 2026. Some links on this page are affiliate links; see our disclosure.
Which is better, Decagon or Sierra?
It depends on your size and the job. By size, neither is built for small businesses and mid-size companies; Sierra fits enterprises better. By job, Sierra leads on customer support and Sierra leads on voice and phone. Choose Decagon if you're a large company with heavy support volume and a budget for an enterprise contract. Choose Sierra if you're a large consumer brand and want a premium customer experience agent priced on outcomes.
Choose Decagon if you're a large company with heavy support volume and a budget for an enterprise contract.
Visit DecagonChoose Sierra if you're a large consumer brand and want a premium customer experience agent priced on outcomes.
Visit SierraFit by business size
| Measure | Decagon | Sierra |
|---|---|---|
| Small business (1 to 50 people) | Not built for it | Not built for it |
| Mid-size company (50 to 1,000 people) | Not built for it | Not built for it |
| Enterprise (1,000+ people) | 7.8 | 8.1 |
Scores by job
| Measure | Decagon | Sierra |
|---|---|---|
| Customer support | 7.4 | 7.6 |
| Voice and phone | 6.7 | 7.2 |
Base scores
| Measure | Decagon | Sierra |
|---|---|---|
| Does the work | 8.5 | 9.0 |
| Reach | 6.5 | 7.0 |
| Setup | 4.0 | 3.5 |
| Control | 8.5 | 9.0 |
| Value | 4.0 | 3.5 |
| Trust | 7.5 | 8.5 |
| Enterprise readiness | 9.0 | 9.0 |
Which jobs each takes on
| Job | Decagon | Sierra |
|---|---|---|
| Answers customers | ||
| Finds and follows up with leads | ||
| Writes and posts marketing | ||
| Handles email and calendar | ||
| Takes and makes phone calls | ||
| Back office: reports, docs, data | ||
| Runs on a schedule or trigger | ||
| Asks before risky actions | ||
| Connects to hundreds of apps | ||
| API or MCP access |
Price and fine print
Prices and terms as of November 2026, from each company's own site.
| Detail | Decagon | Sierra |
|---|---|---|
| Type | Support agent | Support agent |
| Starting price | Custom pricing | Custom pricing |
| Free plan | No | No |
| Extra charges | No public pricing; reported contract sizes run into six figures a year | No public pricing; escalations usually not charged |
| Refunds | Not stated | Not stated |
| Best for | Large companies automating high-volume support across chat, email and voice. | Large consumer brands automating customer experience across chat and voice. |
Decagon
- Top-tier support automation
- Chat, email and voice
- Proven with large brands
- Well funded
- No public pricing
- Enterprise-sized contracts
- Needs a separate helpdesk
- Not for small businesses
Sierra
- Top-tier resolution quality
- Pays on outcomes, not seats
- Strong voice agents
- Proven with very large brands
- Enterprise-only
- No public pricing or trial
- Needs a separate helpdesk
- Six-figure contracts reported
Decagon vs Sierra: questions
Is Decagon better than Sierra?
It depends on the job. In short, Sierra leads on customer support (7.6 to 7.4); Sierra leads on voice and phone (7.2 to 6.7). Choose Decagon if you're a large company with heavy support volume and a budget for an enterprise contract. Choose Sierra if you're a large consumer brand and want a premium customer experience agent priced on outcomes.
Which is built for my company's size?
Decagon is built for: enterprise. Sierra is built for: enterprise.
Which costs less, Decagon or Sierra?
Decagon: custom pricing, as of November 2026. Sierra: custom pricing, as of November 2026. Check extra charges too: Decagon, no public pricing; reported contract sizes run into six figures a year; Sierra, no public pricing; escalations usually not charged.