20+ Best Alternatives to Siena AI in 2026

Looking for an alternative to Siena AI? Below are 20 AI startups working in the same space — ranked by our Neuron score so the most credible options come first. Each card shows what makes the tool a viable substitute, pricing signals, and funding stage.

1. 1

   Rep AI

   💰 $10M

   Conversational AI sales concierge for Shopify brands

   Why it's similar: Shares categories with Siena AI — AI Customer Support, AI E-commerce.

   💵 Free trial · From $79/mo

   View alternative →
2. 2

   Yuma AI

   💰 $5.8M

   AI support agent for e-commerce and Shopify merchants

   Why it's similar: Shares categories with Siena AI — AI Customer Support, AI E-commerce.

   💵 Free

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3. 3

   Octane AI

   💰 Undisclosed

   The #1 AI-powered product quiz platform for Shopify that turns browsers into buyers.

   Why it's similar: Shares categories with Siena AI — AI Customer Support, AI E-commerce.

   💵 Free trial · From $50/mo

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4. 4

   Mirakl

   💰 $1B

   AI-powered marketplace and ecommerce platform for enterprise

   Why it's similar: Shares categories with Siena AI — AI E-commerce.

   💵 Contact_sales

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5. 5

   Uniphore

   💰 $870M

   Enterprise business AI for conversations, agents, and data

   Why it's similar: Shares categories with Siena AI — AI Customer Support.

   💵 Custom

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6. 6

   Aircall

   💰 $226M

   Cloud-based phone system and AI conversation intelligence for sales and support teams

   Why it's similar: Shares categories with Siena AI — AI Customer Support.

   💵 Free trial · From $30/mo

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7. 7

   Sendcloud

   💰 $200M

   All-in-one shipping platform for e-commerce

   Why it's similar: Shares categories with Siena AI — AI E-commerce.

   💵 Free

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8. 8

   Bold

   💰 $170M

   Digital payments and financial tools for small and medium businesses in Colombia

   Why it's similar: Shares categories with Siena AI — AI E-commerce.

   💵 Transaction-based

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9. 9

   Quo

   💰 $161M

   AI-driven business phone and front office for growing teams

   Why it's similar: Shares categories with Siena AI — AI Customer Support.

   💵 Free trial · From $15/mo

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10. 10

    Soul Machines

    💰 $135M

    Autonomously animated digital people for interactive customer experiences

    Why it's similar: Shares categories with Siena AI — AI Customer Support.

    💵 Enterprise · Contact sales

    View alternative →
11. 11

    Jungle Scout

    💰 $110M

    All-in-one Amazon product research and seller intelligence platform

    Why it's similar: Shares categories with Siena AI — AI E-commerce.

    💵 Paid · From $49/mo

    View alternative →
12. 12

    Unbabel

    💰 $91M

    Finally, AI translations your business can trust

    Why it's similar: Shares categories with Siena AI — AI Customer Support.

    💵 Free trial

    View alternative →
13. 13

    Crescendo

    💰 $50M

    AI-native contact center blending agents and humans

    Why it's similar: Shares categories with Siena AI — AI Customer Support.

    💵 Usage

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14. 14

    Level AI

    💰 $73.1M

    Contact center AI for quality assurance and agent assist

    Why it's similar: Shares categories with Siena AI — AI Customer Support.

    💵 Custom

    View alternative →
15. 15

    Printify

    💰 $54.1M

    Print-on-demand marketplace connecting merchants to a global network of print providers

    Why it's similar: Shares categories with Siena AI — AI E-commerce.

    💵 Free

    View alternative →
16. 16

    CloudTalk

    💰 $45.3M

    AI-powered business calling software with conversation intelligence and voice agents

    Why it's similar: Shares categories with Siena AI — AI Customer Support.

    💵 Free trial · From $19/mo

    View alternative →
17. 17

    interface.ai

    💰 $30M

    Agentic AI virtual assistant for banks and credit unions

    Why it's similar: Shares categories with Siena AI — AI Customer Support.

    💵 Custom

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18. 18

    Flippa

    💰 $11M

    Marketplace to buy and sell online businesses and websites

    Why it's similar: Shares categories with Siena AI — AI E-commerce.

    💵 Free

    View alternative →
19. 19

    CometChat

    💰 $10M

    In-app chat SDK and API for real-time messaging, voice, and video with AI moderation

    Why it's similar: Shares categories with Siena AI — AI Customer Support.

    💵 Free

    View alternative →
20. 20

    Vetted

    💰 $15M

    AI shopping research agent that reads Reddit, reviews, and experts so you don't have to

    Why it's similar: Shares categories with Siena AI — AI E-commerce.

    💵 Free

    View alternative →