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Head-to-head · AI Agent Marketplaces

HubSpot Agent Builder vs Relevance AI

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score HubSpot Agent Builder #5 in AI Agent Marketplaces 8.6/10 Paid ✓ 0 of 1 features Visit HubSpot
Relevance AI #8 in AI Agent Marketplaces 8.3/10 Free plan Free plan✓ 0 of 1 features Visit Relevance AI

HubSpot Agent Builder leads on 0 checks, Relevance AI on 1, and 0 are even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreHubSpot Agent Builder · 8.6/10
  • Free planonly Relevance AI

HubSpot Agent Builder scores higher on our rubric for ai agent marketplaces: 8.6 against 8.3 out of 10; our editors rank them #5 and #8.

Relevance AI offers free plan; HubSpot Agent Builder doesn't.

HubSpot Agent Builder is the better fit for hubSpot customers extending CRM workflows. Relevance AI is the better fit for teams building and connecting agent workflows.

  • HubSpot Agent Builder fits best

    HubSpot customers extending CRM workflows

  • Relevance AI fits best

    Teams building and connecting agent workflows

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Side by side

Feature HubSpot Agent Builder 8.6/10 Visit ↗ Relevance AI 8.3/10 Visit ↗
At a glance
Editor score 8.6 8.3
Ranking #5 in AI Agent Marketplaces #8 in AI Agent Marketplaces
Best for HubSpot customers extending CRM workflows Teams building and connecting agent workflows
Pricing model Paid Free plan + paid
Starting price — $19/mo
Free plan — ✓ (best)
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Live chat, Docs Tickets, Community, Docs
Compliance SOC 2, GDPR, HIPAA, SSO/SAML SOC 2, GDPR, SSO/SAML
Integrations 3 integrations 2,000+ integrations
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features HubSpot Agent Builder 0/1 · Relevance AI 0/1
API access Not checked yet Not checked yet
Specs
Agent types Customer, prospecting, data, content, closing, and custom agents Not checked yet
Install channels HubSpot Agent Marketplace, HubSpot Agent Hub, workflows, automations, CRM cards Not checked yet
Publishing access Invite_only Not checked yet
Transaction model Usage_based Not checked yet
Listed agent count Not checked yet Not checked yet
Our review
Pros
  • Visual builder supports instructions, actions, knowledge, inputs, and context
  • Runs agents from workflows, automations, and CRM cards
  • Marketplace agents can be installed and customized in HubSpot
  • Free plan includes unlimited agents, tools, and 2,000+ integrations
  • Supports multi-agent teams, conditional workflows, and scheduled tasks
  • Monitoring, tracing, and cost visibility support workflow oversight
Cons
  • Publishing access is invite-only
  • Custom-built agents cannot be listed in the Agent Marketplace
  • Integration coverage centers on HubSpot CRM and related tools
  • Free plan is limited to 1 user, 1 project, and 1 workforce
  • Monthly pricing is higher than annual-billing pricing on paid tiers
  • It focuses more on agent building than on a conventional public marketplace
Our verdict

HubSpot Agent Builder is a paid visual builder for creating custom AI agents and workflows inside HubSpot. Teams can configure instructions, actions, knowledge, inputs, and data access using CRM data, customer conversion data, files, and…

Read the review →

Relevance AI is a low-code/no-code platform for building AI agents, reusable tools, and multi-agent workforces. It is designed for teams connecting agent workflows to business applications across sales, marketing, operations, customer…

Read the review →
  1. HubSpot Agent BuilderAI Agent Marketplaces 8.6Paid
  2. Relevance AIAI Agent Marketplaces 8.3Free plan

Strengths and trade-offs

  • HubSpot Agent Builder — where it wins

    • Visual builder supports instructions, actions, knowledge, inputs, and context
    • Runs agents from workflows, automations, and CRM cards
    • Marketplace agents can be installed and customized in HubSpot

    Where it doesn't

    • Publishing access is invite-only
    • Custom-built agents cannot be listed in the Agent Marketplace
    • Integration coverage centers on HubSpot CRM and related tools

  • Relevance AI — where it wins

    • Free plan includes unlimited agents, tools, and 2,000+ integrations
    • Supports multi-agent teams, conditional workflows, and scheduled tasks
    • Monitoring, tracing, and cost visibility support workflow oversight

    Where it doesn't

    • Free plan is limited to 1 user, 1 project, and 1 workforce
    • Monthly pricing is higher than annual-billing pricing on paid tiers
    • It focuses more on agent building than on a conventional public marketplace

More comparisons

All AI agent marketplaces comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update