G
GSiena AI vs Zendesk AI
Pricing, features, platforms and who each one suits — side by side.
S
Choose Siena AI if…
- you work on Slack
- you're in its core audience: consumer brands, e-commerce customer experience teams
Z
Choose Zendesk AI if…
- you want to trial it before paying
- you're in its core audience: customer support teams, contact centres
Side by side
Feature Siena AI Zendesk AI
Pricing modelPaidFree trial
Starting price$750/mo—
Free plan
Free trial
API
Open source
Security and complianceSOC 2 Type II, GDPRSOC 2 Type II, ISO 27001, ISO 27701, HIPAA
AI voice/phone agent—
Omnichannel inbox—
Human handoff—
AI takes actions
Shopify/ecommerce data—
Help center/portal—
HIPAA compliant—
PlatformsWeb, SlackWeb
CategoryCustomer SupportCustomer Support
Rank in its category#6 of 12#2 of 12
CompanySiena Labs, Inc.Zendesk, Inc.
Based inUnited StatesUnited States
Founded——
Part of——
What you'd pay
The cheapest plan that fits, per month, billed yearly where the plan offers it.
| Team size | Siena AI | Zendesk AI |
|---|---|---|
| 1 person | $750 Platform fee | no published plan |
| 5 people | $750 Platform fee | no published plan |
| 20 people | $750 Platform fee | no published plan |
Key features
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
Z Zendesk AI
- Autonomous AI agents for multi-step requests across channels
- Copilot that suggests next-best actions to agents
- AI knowledge base built from a knowledge graph
- AI action builder for connected business systems
- AI quality assurance with coaching recommendations
- Intelligent triage and auto assist on Enterprise
- Omnichannel routing for chat, messaging, email and voice
- 1,800+ apps and integrations in the marketplace
Plans and prices
From each vendor's site. Prices change — confirm before buying.
Siena AI
Platform fee$750/month
Automation Pack$0.90 per ticket automated
Support & ImplementationPricing on request
Zendesk AI
Support Team£15/agent/mo billed yearly (£20 monthly)
Suite Team£45/agent/mo billed yearly (£59 monthly)
Suite Professional£89/agent/mo billed yearly (£115 monthly)
Suite Enterprise + CopilotCustom
Copilot add-on£40/agent/mo billed yearly
Strengths and limitations
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
Zendesk AI
- 14-day free trial of Suite Professional with Copilot included
- AI agents included from the Suite Team plan
- Eligible startups can use Zendesk free for up to 2 years
- Marketplace of 1,800+ apps and integrations
- Copilot costs extra (£40/agent/month, billed yearly)
- Automated resolutions beyond the included allowance are billed per resolution
- Enterprise pricing is only available through sales
- No free plan
More comparisons
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RR
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AAI shopping assistants, support agents and voice AI for e-commerce brands
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YAI agents that resolve ecommerce support tickets, pre-sale questions and social DMs
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Y
From $1200/mo
Y
AI agents that resolve ecommerce support tickets, pre-sale questions and social DMs
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I
IAI customer agent that resolves support, sales and ecommerce conversations
From $49.50/mo
I
From $49.50/mo
I
AI customer agent that resolves support, sales and ecommerce conversations
Customer SupportAPI
T
TT
From $24.17/mo
T
AI customer service and live chat that answers questions and drives store sales
Customer SupportAPI
Facts from each vendor's public pages, prices checked Oct 26, 2026. Editorial policy