I
IAI customer agent that resolves support, sales and ecommerce conversations
From $49.50/mo
Kayako vs Siena AI
Pricing, features, platforms and who each one suits — side by side.
K
Choose Kayako if…
- you're in its core audience: customer support teams, e-commerce and retail businesses
S
Choose Siena AI if…
- you work on Slack
- you're in its core audience: consumer brands, e-commerce customer experience teams
Side by side
Feature Kayako Siena AI
Pricing modelPaidPaid
Starting price—$750/mo
Free plan
Free trial
API
Open source
Security and complianceSOC 2 Type II, GDPRSOC 2 Type II, GDPR
Omnichannel inbox—
Human handoff
AI takes actions
Shopify/ecommerce data
Help center/portal—
PlatformsWebWeb, Slack
CategoryCustomer SupportCustomer Support
Rank in its category#9 of 12#6 of 12
CompanyESW Operations, LLCSiena Labs, Inc.
Based inUnited StatesUnited States
Founded2001—
Part of——
What you'd pay
The cheapest plan that fits, per month, billed yearly where the plan offers it.
| Team size | Kayako | Siena AI |
|---|---|---|
| 1 person | no published plan | $750 Platform fee |
| 5 people | no published plan | $750 Platform fee |
| 20 people | no published plan | $750 Platform fee |
Key features
K Kayako
- AI agent that drafts replies and closes tickets
- Takes actions like refunds and account creation
- Omnichannel inbox for email, chat, social and voice
- No-code routing, assignment and escalation workflows
- Knowledge base with semantic search and help center
- SLA management and support analytics
- Works on top of Zendesk, Freshdesk, Intercom, Salesforce
- SOC 2 Type II, GDPR, SSO/SAML and audit logs
S Siena AI
- Automated order updates, return labels, refunds and replacements
- Subscription skip, pause and swap handling with upsell suggestions
- Shopping Agent for product recommendations
- Social Agent for product questions and community moderation
- Copilot for drafting on-brand replies and translations
- AI Personas, guardrails and granular policy controls
- Collaborative AI Routing that explains each handoff
- Siena Docs knowledge base with a branded public help center
Plans and prices
From each vendor's site. Prices change — confirm before buying.
Kayako
Kay (AI support agent)$1 per resolved ticket
Kayako OneCustom
Siena AI
Platform fee$750/month
Automation Pack$0.90 per ticket automated
Support & ImplementationPricing on request
Strengths and limitations
Kayako
- Kay is billed only for tickets it resolves without a human
- No seat or setup fees for Kay
- Works on top of existing help desks, so no migration is needed
- Lists SOC 2 Type II, GDPR and SSO/SAML support
- Kayako One pricing is only available through sales
- No free trial mentioned
- No public API is described on the site
Siena AI
- Integrates with six named helpdesks, including Zendesk, Gorgias and Intercom
- Published pricing: $750/month platform fee plus $0.90 per automated ticket
- Siena Docs is included in the plan at no extra cost
- Platform fee includes an unlimited sandbox
- No free plan or free trial is mentioned on the pricing page
- Support and implementation pricing is not published and must be requested
- Per-ticket charges come on top of the $750 monthly platform fee
- No mobile app is listed
More comparisons
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T
AI customer service and live chat that answers questions and drives store sales
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FHelpdesk ticketing with AI agents and agent copilot for customer service teams
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Facts from each vendor's public pages, prices checked Oct 26, 2026. Editorial policy