Comparison · Customer Support
Decagon vs Sierra: which AI agent is better?
A side-by-side look at Decagon and Sierra on quality, price, capabilities and trust. Scores measure observable public data; prices come from each vendor's own pricing page. Every fact is sourced and dated.
| Decagon Decagon | Sierra Sierra | |
|---|---|---|
| Agent Score | 35 | 32 |
| Entry price | — | — |
| Trust | ✓ VERIFIED | ✓ VERIFIED |
| Capabilities documented | 6 | 6 |
| Free plan | No | No |
| Free trial | — | — |
| Public API | — | — |
| MCP support | — | — |
| Open source | No | No |
| Last verified | 13 Oct 2026 | 13 Oct 2026 |
Score breakdown
| Component | Decagon | Sierra |
|---|---|---|
| Capabilities | 75 | 63 |
| Integrations | Not measured | Not measured |
| Documentation | Not measured | Not measured |
| Pricing clarity | 40 | 40 |
| Transparency | 100 | 100 |
| Freshness | Not measured | Not measured |
| Human oversight | Not measured | Not measured |
Choose Decagon if…
- You want a higher Agent Score (35 vs 32).
Choose Sierra if…
On the measured criteria, Decagon leads — see opposite.
See the full picture: Decagon · Sierra · more Customer Support agents · all comparisons.