Decagon vs Siena AI
A side-by-side comparison of Decagon and Siena AI, two Support tools, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
At a glance
| Attribute | Decagon | Siena AI |
|---|---|---|
| Category | Support | Support |
| Pricing | PAID | PAID |
| License | Proprietary | Proprietary |
| Deployment | Cloud | Cloud |
| Platforms | Web, API | Web, API |
| Model support (differs) | Multi-model | — |
| Vendor (differs) | Decagon | Siena AI |
| Capabilities (differs) |
|
|
The honest brief
Decagon
Prices per conversation or resolution, not per seat, and lets ops teach agents via natural-language procedures.
- Outcome-based pricing
- Ops author logic, engineers keep guardrails
- Chat, email, and voice
- Takes actions, not just answers
- Enterprise sales-only
- Setup and tuning required
- Model choice abstracted away
Siena AI
Built specifically for commerce CX — handles order tracking, returns, subscriptions, and social DMs across 100+ languages, not just chat deflection.
- Purpose-built for e-commerce support
- Works across email, chat, and social DMs
- Blends automation with brand-aligned tone
- Automates returns, orders, subscriptions
- No public pricing; sales-led
- Aimed at brands, not SMB self-serve
- Scoped to commerce use cases
- Younger vendor than incumbents
When to pick which
Both cover Ticket deflection.
Pick Decagon if you need Voice agent and Email assistant.
- Voice agent (secondary capability)
- Email assistant (secondary capability)
Pick Siena AI if you need Recommendation engine and Conversation intelligence.
- Recommendation engine (primary capability)
- Conversation intelligence (secondary capability)