A
AAI shopping assistants, support agents and voice AI for e-commerce brands
Free, from $199/mo
Octane AI vs Siena AI
Pricing, features, platforms and who each one suits — side by side.
O
Choose Octane AI if…
- you want the lower entry price ($43/mo vs $750/mo)
- you need an API to build on
- you want to trial it before paying
- you're in its core audience: shopify merchants, e-commerce marketing 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 Octane AI Siena AI
Pricing modelFree trialPaid
Starting price$43/mo$750/mo
Free plan
Free trial
API
Open source
Data retentionKept only as long as necessary; then deleted or anonymized—
Security and complianceGDPRSOC 2 Type II, GDPR
Shopping recommendations—
Product image generation—
Revenue attribution—
MCP server—
PlatformsWeb, APIWeb, Slack
CategoryE-commerceCustomer Support
CompanyOctane AI, Inc. · since 2016Siena Labs, Inc. · United States
Full feature lists
O Octane AI
- AI quiz creation from a description, spreadsheet or document
- Image analysis, such as reading skin tone from a selfie
- Design tools with image generation and site color matching
- Issues finder for broken logic and out-of-stock products
- Analytics for drop-off, completion, orders and revenue by answer
- Shopper profiles combining quiz answers, visits and orders
- Experiments for testing quiz variants
- REST API, webhooks, Storefront JS API and MCP server
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
Their home pages
What each vendor shows first: the pitch, the plans and the sign-up.
Octane AI · octaneai.com
Siena AI · siena.cxWhat you'd pay
The cheapest plan that fits, per month, billed yearly where the plan offers it.
Work it out for your team
All plans and prices
Octane AI
Octane AI Basic$50/mo, or $43/mo billed yearly
Octane AI Plus$200/mo, or $170/mo billed yearly
Octane AI Enterprise & Unlimited$500+/mo, or $425+/mo billed yearly
Siena AI
Platform fee$750/month
Automation Pack$0.90 per ticket automated
Support & ImplementationPricing on request
Strengths and limitations
Octane AI
- All plans include a 14-day free trial with full feature access
- AI features are included on every plan, including Basic
- No setup fees on any plan
- Quizzes keep working if credits run out
- No free plan is listed
- Basic is limited to two quizzes and shows the Octane AI logo
- Credit overages are billed at the end of the billing cycle
- AI features use extra credits, and unused credits roll over for only 30 days
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
AA
Free, from $199/mo
A
AI shopping assistants, support agents and voice AI for e-commerce brands
Customer SupportFree plan
R
RR
From $12/mo
Y
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
Customer Support
G
GG
From $10/mo
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
Facts from each vendor's public pages, prices checked Oct 31, 2026. Editorial policy