How do their growth rates compare?

HubSpot Breeze AI & Agent Hub has a month-over-month growth rate of -3.1%; NothingMuch has —.

How does pricing compare?

HubSpot Breeze AI & Agent Hub: Freemium. Breeze Assistant and foundational AI writing tools are included on Free and Starter ($15/seat/month with 500 HubSpot Credits); autonomous agents in Agent Hub require Professional ($800+/month, 3,000 monthly credits included) or Enterprise ($3,600+/month, 5,000 credits included), where Customer Agent costs 50 credits ($0.50) per resolved conversation, Prospecting Agent costs 100 credits ($1.00) per recommended lead, and extra credits cost $10 per 1,000 ($9/1,000 billed annually). NothingMuch: Freemium, Paid. The extension is listed on the Chrome Web Store as a free browser add-on, though the directory records it as freemium/paid. Any paid tier would come from the developer directly; install it free to test, and check the store listing for current terms.

What are alternatives to HubSpot Breeze AI & Agent Hub and NothingMuch?

Other tools in related categories include Salesforce Agentforce (formerly Einstein), Klaviyo, Brevo, Instantly, Attio.

HubSpot Breeze AI & Agent Hub vs NothingMuch — Traffic (44.1M vs 0), Pricing & Verdict

Open AI Tools

HubSpot Breeze AI & Agent Hub vs NothingMuch — Traffic (44.1M vs 0), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	HubSpot Breeze AI & Agent Hub	NothingMuch
Official Domain	hubspot.com	chromewebstore.google.com
Pricing Model	Freemium	Freemium, Paid
Monthly Visits	44.1M (44,099,502)	0 (0)
MoM Traffic Delta	-1.4M (-3.1%)	0 (—)
Primary Market & Share	🇺🇸 United States (39.5%)	🌐 Global (—)
Direct Visits / mo	31.58M	0
User Rating	4.5	3.2
Supported Platforms	Website	Browser Extension

HubSpot Breeze AI & Agent Hub

CRM-grounded AI agents and Breeze Assistant for automated marketing, sales prospecting, and customer support.

Centralized Agent Hub & No-Code Agent Builder

Monitor live status and ROI across your entire AI workforce in one dashboard, or build custom CRM-grounded agents on a visual no-code canvas.

Outcome-Billed Breeze Customer Agent

Resolve repetitive support tickets 24/7 across web chat, email, forms, and voice using live contact and contract history, billed at 50 credits ($0.50) only upon verified resolution.

Autonomous Prospecting & Smart Deal Progression

Watch target accounts for buying signals, trigger personalized outreach automatically, and generate post-call CRM updates and next-step recommendations.

Campaign, Content & Nurture Marketing Agents

Plan multi-channel campaigns from a single goal in one session, generate brand-voice blog posts and landing pages, and tailor lifecycle nurture emails per contact.

Strengths & Pros

+Zero data integration friction—agents read and write directly to HubSpot Smart CRM contacts, deals, calls, and tickets from day one.
+Fair April 2026 shift to outcome-based pricing ($0.50 per resolved conversation) makes the Customer Agent one of the lowest per-resolution rates in the market.