Best Retell AI alternatives

Comparison

Tool	Price from	Free plan	Category
Retell AI	0.07-0.31 USD/mo	trial	Customer support & chatbots
Zendesk AI	19 USD/mo	trial	Customer support & chatbots
Crisp	45 USD/mo	trial	Customer support & chatbots
Sierra	not listed	?	Customer support & chatbots
Tidio	29 USD/mo	yes	Customer support & chatbots
Decagon	not listed	?	Customer support & chatbots
Botpress	150 USD/yr	yes	Customer support & chatbots
Freshdesk Freddy AI	19 USD/mo	trial	Customer support & chatbots
Instantly	47 USD/mo	trial	Customer support & chatbots

Each alternative in short

1. Zendesk AI

AI layer of Zendesk's customer service platform that resolves support requests with AI agents, a Copilot for agents, and automation for support teams.

There is a free trial. A 'Try for free' option is offered. Qualified startups can get up to 2 years of Zendesk free.

2. Crisp

All-in-one AI customer support platform combining shared inbox, chat widget, CRM and AI agents for businesses of any size.

There is a free trial. Free plan forever with website chat widget, 2 seats, shared inbox and mobile apps, but no AI credits included. Every new account gets a 14-day free trial of all features without a card.

3. Sierra

Conversational AI platform that lets businesses build and run customer service and sales AI agents across chat, voice, SMS, email and more.

The vendor does not state this clearly on the homepage or pricing page.

4. Tidio

AI customer service platform with Lyro AI agent that answers customer chats and turns conversations into tracked sales, leads and bookings.

Yes, there is a free plan. Free plan forever, available to start for free. The page does not list its limits in detail.

5. Decagon

Platform for building, testing and scaling AI customer-service agents across voice, chat and email for enterprise brands.

The vendor does not state this clearly on the homepage or pricing page.

6. Botpress

AI agent platform for customer support that resolves complex tickets end-to-end, with human handoff when needed.

Yes, there is a free plan. 100 conversations per month, 3 seats, 3 AI agents, Help Center and community support.

7. Freshdesk Freddy AI

AI-powered customer service software with an AI agent, ticketing and shared inbox for support teams handling email and customer requests.

There is a free trial. Free trial available ("Try it free"); the page does not specify limits of the trial. Freshdesk's pricing page also lists a "Start for free" call to action.

8. Instantly

AI-powered sales engagement platform for automated cold email outreach, B2B lead data and email deliverability, aimed at sales teams and agencies.

There is a free trial. The homepage invites users to start for free, but the pricing text does not specify the free plan or trial limits.

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