Comparing Siena AI and Yuma AI? Both are AI Agents & Chatbots and E-commerce Support tools in the directory, which is why buyers put them on the same shortlist. Below is a side-by-side look at how they price, what they integrate with, and when each is the better fit, so you can pick on the facts rather than either vendor's own sales page.
| Attribute | Siena AI | Yuma AI |
|---|---|---|
| Pricing | Per resolution · $750/mo + $0.90/ticket | Per resolution · Custom |
| Founded | 2022 | 2022 |
| Categories | AI Agents & Chatbots E-commerce Support | AI Agents & Chatbots E-commerce Support |
| Integrations | Gorgias Zendesk Shopify Recharge Klaviyo Kustomer | Shopify Gorgias Zendesk Kustomer Salesforce Recharge |
Siena AI sells empathy at scale, which sounds like marketing until you watch most support bots talk. Founded in 2022 by Romanian entrepreneurs Andrei Negrau and Lisa Popovici, whose previous startup was SMS-commerce company Cartloop, Siena builds autonomous customer service for e-commerce and consumer brands with an unusual obsession: sounding like the brand, not like a template. Its AI personas carry a defined voice and tone, and brands like Spanx, HexClad, Kitsch, Prose, and MUD WTR use them to resolve orders, subscriptions, and returns across email, chat, SMS, and social DMs without the customer feeling the switch to a robot.
Under the personality is a full commerce-support engine. Siena sits on top of the help desk you already run, Gorgias, Zendesk, Kustomer, or Gladly, and plugs into Shopify, Recharge, Klaviyo, and the rest of the DTC stack to take real actions. It claims up to 80 percent automation with CSAT going up rather than down, and rounds the platform out with automated QA scoring, a voice-of-customer topic explorer, and an AI shopping agent that recommends products mid-conversation.
The company raised a $4.7 million seed led by Sierra Ventures in 2023 and publishes its pricing shape: a $750 monthly platform fee plus about $0.90 per automated ticket, with volume pricing quoted.
Choose Siena when brand voice is a genuine business asset, the common case for DTC brands whose customers chose them partly for the vibe. If you just need cheap deflection, simpler tools cost less; if every customer touch is brand equity, Siena is the one built around that belief.
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Yuma AI has one of the better origin stories in the category. Founder Guillaume Luccisano, a three-time Y Combinator founder who previously sold Socialcam to Autodesk and co-founded Triplebyte, shipped an experimental GPT-powered support app on the Gorgias app store in November 2022, days before ChatGPT launched. Merchants flooded his inbox overnight, and Yuma became one of the first companies to apply modern generative AI to e-commerce support specifically.
That head start shows in how complete the automation is. Yuma does not draft replies for humans to send; it fully handles the classic retail scenarios, order tracking, address changes, returns, refunds, and subscription management, including taking the actions in Shopify and your help desk. The platform now spans four products, Support AI, Sales AI, Social AI, and Chat AI, covering everything from ticket resolution to social-media DMs and review replies, with brand-voice and safety controls throughout. Case studies claim automation rates up to 89 percent, with customers like Glossier, EvryJewels, and Javvy Coffee.
Commercially Yuma bills on outcomes: brands pay only for tickets the AI fully resolves, with rates quoted to your volume rather than published, a 30-day trial, and onboarding help included. It deploys on top of Gorgias, Zendesk, Kustomer, or Salesforce, so your existing help desk stays.
Yuma is built for high-volume Shopify and e-commerce brands, and that focus is the reason to pick it: the retail scenarios are pre-built and genuinely autonomous rather than generically possible. If most of your queue is order-related and you want the majority of it handled without a human, Yuma belongs on a very short shortlist next to Gorgias's own AI and Zowie.
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