Sorted by starting price
8 Cheapest AI Agent Builders of 2026
By the Rankozo research desk · Updated November 9, 2026
Among the 10 tools in our best ai agent builders ranking, MindStudio has the lowest verified paid starting price at $16 per month plus model usage. Prices below are quoted from each vendor's US pricing page.
- 01
MindStudioOperations and product teams that want to build many internal agents without paying per run.
Free plan with one agent and 1,000 runs a month; Individual $16 per month billed yearly or $20 monthly, plus usage
Full entry, No. 1 overallStarts at
$16
Score 8.6
- 02
LindyTeams that want an assistant handling inbox, meetings and routine tasks rather than a visual builder.
$50 in free credits for 7 days; Team from $29.99 per active user per month for 3,000 credits
Full entry, No. 3 overallStarts at
$29.99
Score 8.3
- 03
ChatbaseSmall businesses that want a customer service agent on their website and messaging channels quickly.
Hobby $32 per month billed yearly or $40 monthly for 700 message credits; 7-day trial
Full entry, No. 8 overallStarts at
$32
Score 7.7
- 04
Zapier AgentsTeams that already run Zapier automations and want agents that act in the same connected apps.
Free plan with 400 activities a month; Agents Pro $33.33 per month billed annually ($400 a year) for 1,500 activities
Full entry, No. 2 overallStarts at
$33.33
Score 8.4
- 05
GumloopTeams that want many people building agents on one plan without per seat fees.
Pro starts at $37 per month with 20k credits; 14-day free trial
Full entry, No. 6 overallStarts at
$37
Score 8.0
- 06
DifyProduct teams building customer-facing AI apps that need model choice, knowledge bases and an API.
Free Sandbox plan with 200 message credits; Professional $590 per workspace per year (about $49.17 a month)
Full entry, No. 5 overallStarts at
$49.17
Score 8.1
- 07
BotpressSupport teams that want to deploy customer-facing agents with a help center and predictable per conversation costs.
Free plan with 100 conversations; Plus $150 per month billed annually for 250 conversations
Full entry, No. 7 overallStarts at
$150
Score 7.8
- 08
Microsoft Copilot StudioOrganizations on Microsoft 365 and Power Platform that need governed agents for staff and customers.
$200 per tenant per month for a pack of 25,000 Copilot Credits; pay-as-you-go and pre-purchase also available
Full entry, No. 9 overallStarts at
$200
Score 7.6
Scores and prices come from our Best AI Agent Builders ranking, which uses one method for every tool. Questions or corrections: editorial@rankozo.com