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Comparison

Best AI Support tools

13 Support tools already in the catalog. Paid listings sit last, so a sponsor pin is not a ranking. I copied the job, pricing model and verdict below from those listings. The Support category page keeps the same tools, with sponsored listings pinned on top.

Alternatives pages: Decagon, Fin, Gorgias and Zendesk.

Side by side

Support tools compared by job, pricing model and the opening line of each catalog verdict
ToolJobPricing modelBest for
ElocuentiConversational AI for selling on WhatsApp and AI assistants, with qualification, quoting and payments.From $400/mo (1,000 AI-served customers)If your buyers live on WhatsApp, this is the test to run.
DecagonAI customer service agents for enterprises across chat, voice and email.Pricing on requestFor enterprises with high support volume that want AI agents across chat, voice and email.
SierraConversational AI agents for customer experience.Pricing on requestEnterprise pricing, enterprise polish.
FinStandalone AI customer agent for service and sales that works on Intercom or an existing helpdesk such as Zendesk, Salesforce or HubSpot.$0.99 per outcome (50 outcomes/mo minimum); 14-day free trialFor support teams that want an AI agent on top of the helpdesk they already run, Intercom or not.
Siena AIEmpathic AI support agents for ecommerce brands.From $750/moBuilt for DTC tone of voice.
Retell AIPlatform to build AI voice agents that handle phone calls.Usage-based per minuteFor anyone whose customers still call.
VapiDeveloper platform for building voice AI agents.Usage-based per minuteMore flexible than Retell, more work.
SMB SidekickAI receptionist with SMS and review requests for small businesses.Paid plans from $29/moThe cheap way to stop missing calls.
ElevenLabs AgentsVoice generation and voice agent platform.Free tier; paid from $6/moBest voices I've heard.
GorgiasConversational AI helpdesk for ecommerce, with an AI Agent that handles support and sales conversations.From $40/mo (Starter, 50 tickets); AI Agent billed per resolved conversationFor Shopify and other ecommerce brands that want the helpdesk and AI agent in one place.
TidioAI customer service chat for websites.Free tier; paid from $24.17/moEasy website chat with an AI agent for small teams.
ChatwootOpen source omnichannel inbox for chat, email, WhatsApp and social, with an AI agent.Free self-hosted; cloud plans availableAll support channels in one inbox you own.
ZendeskCustomer service software with ticketing, messaging, help center and AI agents.From $19/agent/mo billed annually ($25 monthly)The safe help desk for support teams that have outgrown a shared inbox and need ticketing at scale.

Best for is the opening line of that tool's verdict. The full verdict is below. Pricing is the catalog note, not a quote I calculated.

Verdicts

Elocuenti

Conversational AI for selling on WhatsApp and AI assistants, with qualification, quoting and payments.

If your buyers live on WhatsApp, this is the test to run.
Independent. Never paid.
How we review

Decagon

AI customer service agents for enterprises across chat, voice and email.

For enterprises with high support volume that want AI agents across chat, voice and email. From their site, agents follow written operating procedures, so it fits teams that can document how each ticket type should be handled. Make sure handoff to a human is one click.
Independent. Never paid.
How we review

Sierra

Conversational AI agents for customer experience.

Enterprise pricing, enterprise polish. Small brands should look at Siena first.
Independent. Never paid.
How we review

Fin

Standalone AI customer agent for service and sales that works on Intercom or an existing helpdesk such as Zendesk, Salesforce or HubSpot.

For support teams that want an AI agent on top of the helpdesk they already run, Intercom or not. It's priced per outcome, so it fits when a large share of your tickets are repeat questions. Clean up your help center first, since that's what it answers from.
Independent. Never paid.
How we review

Siena AI

Empathic AI support agents for ecommerce brands.

Built for DTC tone of voice. Review 50 tickets in week one.
Independent. Never paid.
How we review

Retell AI

Platform to build AI voice agents that handle phone calls.

For anyone whose customers still call. Build one script, measure missed calls recovered.
Independent. Never paid.
How we review

Vapi

Developer platform for building voice AI agents.

More flexible than Retell, more work. Pick based on who builds it.
Independent. Never paid.
How we review

SMB Sidekick

AI receptionist with SMS and review requests for small businesses.

The cheap way to stop missing calls. Perfect for an auto service shop.
Independent. Never paid.
How we review

ElevenLabs Agents

Voice generation and voice agent platform.

Best voices I've heard. The agent platform is the newer part.
Independent. Never paid.
How we review

Gorgias

Conversational AI helpdesk for ecommerce, with an AI Agent that handles support and sales conversations.

For Shopify and other ecommerce brands that want the helpdesk and AI agent in one place. Plans scale by ticket volume instead of seats, so it fits small support teams with seasonal spikes. Test their AI Agent against a dedicated tool like Siena on the same ticket set before you commit.
Independent. Never paid.
How we review

Tidio

AI customer service chat for websites.

Easy website chat with an AI agent for small teams.
Independent. Never paid.
How we review

Chatwoot

Open source omnichannel inbox for chat, email, WhatsApp and social, with an AI agent.

All support channels in one inbox you own. Start with web chat and WhatsApp.
Independent. Never paid.
How we review

Zendesk

Customer service software with ticketing, messaging, help center and AI agents.

The safe help desk for support teams that have outgrown a shared inbox and need ticketing at scale. Whether it fits depends on the AI agents, since their pricing page puts them in the Suite plans. Clean up your macros and help center before you turn the agents on.
Independent. Never paid.
How we review

Support tools FAQ

What are the best AI Support tools?
On this page, with paid listings last, the Support tools are Elocuenti, Decagon, Sierra, Fin, Siena AI, Retell AI, Vapi, SMB Sidekick, ElevenLabs Agents, Gorgias, Tidio, Chatwoot and Zendesk. Each one is listed under Support, for teams that answer every customer, any channel. Paid spots, when a listing has one, are labeled and do not change the verdict.
How are these AI Support tools priced?
Each pricing note is copied from that tool's listing. Elocuenti: From $400/mo (1,000 AI-served customers). Decagon: Pricing on request. Sierra: Pricing on request. Fin: $0.99 per outcome (50 outcomes/mo minimum); 14-day free trial. Siena AI: From $750/mo. Retell AI: Usage-based per minute. Vapi: Usage-based per minute. SMB Sidekick: Paid plans from $29/mo. ElevenLabs Agents: Free tier; paid from $6/mo. Gorgias: From $40/mo (Starter, 50 tickets); AI Agent billed per resolved conversation. Tidio: Free tier; paid from $24.17/mo. Chatwoot: Free self-hosted; cloud plans available. Zendesk: From $19/agent/mo billed annually ($25 monthly).
Do any of these AI Support tools list a free tier?
Yes. ElevenLabs Agents, Tidio and Chatwoot list a free tier in the catalog.
What job do these AI Support tools do?
They sit in Support: Answer every customer, any channel. AI support agents, voice agents and receptionists that resolve questions and catch buying intent.