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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

Decagon

Support

AI concierge agents that resolve customer support end-to-end.

View Decagon

Siena AI

Support

Autonomous AI customer experience platform for e-commerce brands.

View Siena AI

At a glance

Feature comparison of Decagon and Siena AI
AttributeDecagonSiena AI
CategorySupportSupport
PricingPAIDPAID
LicenseProprietaryProprietary
DeploymentCloudCloud
PlatformsWeb, APIWeb, API
Model support (differs)Multi-model
Vendor (differs)DecagonSiena AI

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