Customer Service

Top 12 alternatives to Sierra AI

Conversational AI agents for customer experience. Here are 12 other customer service tools — ranked by rating, review volume, and how well they overlap with your existing stack.

Compare Sierra AI side by side Visit Sierra AI

The tool you're comparing

Sierra AI

Conversational AI agents for customer experience

4.6(1,800)

Custom pricing

12 alternatives

Intercom

AI-first customer service platform

4.5(5,200)

From $39/mo

Zendesk

AI-powered customer service and support platform

4.4(7,800)

From $19/agent/mo

Ada

AI-powered customer service automation platform

4.6(1,200)

Custom pricing

Freshdesk

AI customer support with Freddy AI

4.4(4,600)

Free / from $15/agent/mo

Assembled

AI workforce management for modern support teams

4.5(2,300)

Custom pricing

Gorgias

AI customer support helpdesk for e-commerce

4.6(2,800)

From $10/mo

New this month

Cognigy

Enterprise-grade conversational AI for contact centres — Gartner Magic Quadrant Leader

4.6(2,800)

Enterprise pricing (custom)

Tidio

AI chatbots and live chat for customer support

4.6(2,400)

Free / from $29/mo

Forethought Solve

AI agent that resolves customer issues instantly

4.4(2,600)

Custom pricing

ManyChat

AI chat marketing for Instagram, WhatsApp & Messenger

4.5(3,200)

Free / from $15/mo

New this month

Zowie

AI customer service agents that resolve tickets, process refunds, and track orders end-to-end

4.5(780)

Contact for pricing

Help Scout

AI-enhanced customer support for growing teams

4.6(1,900)

From $20/user/mo

How we ranked these

Alternatives are scored on a blend of average rating, review volume, integration overlap with Sierra AI, and editorial verification. We exclude apps from other categories so you only see real like-for-like options. All listings are independent — no tool pays to appear here.