GAlhena AI vs Siena AI
Pricing, features, platforms and who each one suits — side by side.
A
Choose Alhena AI if…
- you want a free plan to start with
- you want the lower entry price ($199/mo vs $750/mo)
- you're in its core audience: e-commerce brands, customer support teams
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 Alhena AI Siena AI
Pricing modelFreemiumPaid
Starting price$199/mo$750/mo
Free plan
Free trial
API
Open source
Security and compliance—SOC 2 Type II, GDPR
AI voice/phone agent—
Human handoff
AI takes actions
Shopify/ecommerce data
Live translation—
PlatformsWebWeb, Slack
CategoryCustomer SupportCustomer Support
CompanyHelix3 Labs, Inc.Siena Labs, Inc.
Based inUnited StatesUnited States
Founded——
Part of——
Key features
A Alhena AI
- Conversational product discovery with bundle and add-on suggestions
- Order cancellations, returns and appointment booking by AI agents
- Phone and SIP-line ready voice AI
- Support in 90+ languages
- Escalation to human agents with full context
- SKU-level tracking of products recommended by AI engines
- Revenue attribution and AI vs. human performance analytics
- Engagement across social comments, DMs and review platforms
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.
Alhena AI
Free$0
Essentials$199/mo billed annually
Growth$499/mo billed annually
Scale$999/mo billed annually
EnterpriseCustom
Siena AI
Platform fee$750/month
Automation Pack$0.90 per ticket automated
Support & ImplementationPricing on request
Strengths and limitations
Alhena AI
- Free plan includes 25 conversations a month with no credit card
- 14-day trial on Essentials, Growth and Scale
- 200+ integrations stated, including Shopify, Zendesk and Salesforce
- Spam, irrelevant queries and immediate human handoffs do not use conversation credits
- Listed paid plan prices require annual billing, charged upfront
- Credits reset each cycle and do not roll over
- Trial requires a payment method or Shopify billing approval, and billing starts automatically when it ends
- Security certifications are not named on the home page
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
Other options to consider
G
GG


From $10/mo
R
RR

From $12/mo
Y
YAI agents that resolve ecommerce support tickets, pre-sale questions and social DMs
From $1200/mo
Y


From $1200/mo
Y
AI agents that resolve ecommerce support tickets, pre-sale questions and social DMs
Customer Support
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
Z
ZZ

Free trial
T
TT

From $24.17/mo
T
AI customer service and live chat that answers questions and drives store sales
Customer SupportAPI
Built from each vendor's public website; we haven't tested them hands-on. Editorial policy