Free plans only

5 Best Free AI Customer Service Chatbots of 2026

By the Rankozo research desk · Updated November 9, 2026

5 of the 10 tools in our best ai customer service chatbots ranking offer a permanent free plan. Help Scout Envoy scores highest among them at 8.7 out of 10.

1. 01

   Help Scout Envoy

   Small email-first teams that want the lowest published per-resolution AI rate.

   Free plan for 5 users; Standard from $25 per user per month billed annually; Envoy AI add-on $0.75 per resolution

   Full entry, No. 2 overall

   Paid from

   $25

   Score 8.7

2. 02

   Tidio Lyro

   Small online businesses that want a free start and a fixed monthly AI quota.

   Free plan with 50 lifetime Lyro conversations; Lyro AI Agent from $32.50 per month for 50 AI conversations billed annually; Starter help desk from $24.17

   Full entry, No. 3 overall

   Paid from

   $32.50

   Score 8.5

3. 03

   Botpress

   Teams with developers who want to build custom support agents across channels.

   Free plan with 100 conversations; Plus $150 per month billed annually for 250 conversations; Team $750 for 1,500

   Full entry, No. 6 overall

   Paid from

   $150

   Score 8.2

4. 04

   Crisp

   Small teams that want flat workspace pricing instead of per-seat or per-resolution fees.

   Free plan for 2 agents; Mini $45 per month per workspace with 4 agents; Essentials $95, Plus $295

   Full entry, No. 7 overall

   Paid from

   $45

   Score 8.2

5. 05

   HubSpot Customer Agent

   Teams already running sales and marketing on HubSpot.

   Free plan without Customer Agent; Customer Agent included from Service Hub Professional at $100 per seat per month; Starter from $10

   Full entry, No. 10 overall

   Paid from

   $100

   Score 7.8

Scores and prices come from our Best AI Customer Service Chatbots ranking, which uses one method for every tool. Questions or corrections: editorial@rankozo.com