Best Zendesk AI alternatives

Comparison

Tool	Price from	Free plan	Category
Zendesk AI	19 USD/mo	trial	Customer support & chatbots
Crisp	45 USD/mo	trial	Customer support & chatbots
Botpress	150 USD/yr	yes	Customer support & chatbots
Retell AI	0.07-0.31 USD/mo	trial	Customer support & chatbots
Tidio	29 USD/mo	yes	Customer support & chatbots
Decagon	not listed	?	Customer support & chatbots
Chatbase	40 USD/mo	trial	Customer support & chatbots
Instantly	47 USD/mo	trial	Customer support & chatbots
Voiceflow	not listed	trial	Customer support & chatbots

Each alternative in short

1. 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.

2. 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.

3. Retell AI

Platform for building, deploying and managing AI voice agents that handle inbound and outbound phone calls for support, scheduling and lead qualification.

There is a free trial. Pay-as-you-go plan includes $10 in free credits and 20 free concurrent calls.

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. Chatbase

AI agents that resolve customer support, sales and product questions across chat, email, voice and messaging channels.

There is a free trial. Free plan with 50 message credits per month, 1 member and limited model access. Paid plans include a 7-day trial.

7. 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.

8. Voiceflow

Enterprise platform for building, launching and scaling chat and voice AI agents for customer support and CX teams.

There is a free trial. Free trial for agencies and partners, no credit card required.

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