# HubSpot Breeze AI & Agent Hub vs StackAI

HubSpot Breeze AI & Agent Hub records 44,099,502 monthly visits with -3.1% month-over-month growth and Freemium pricing. StackAI records 1,137 monthly visits with -23.2% growth and Contact for Pricing, Free pricing.

| Metric | [HubSpot Breeze AI & Agent Hub](https://openaitools.app/tool/hubspot-com) | [StackAI](https://openaitools.app/tool/stack-ai-com) |
| :--- | :--- | :--- |
| Website URL | https://www.hubspot.com/products/artificial-intelligence | https://www.stack-ai.com |
| Categories | AI CRM, AI Agent, AI Marketing | AI Agent, AI Chatbot, No-Code&Low-Code, Large Language Models (LLMs) |
| Pricing Model | Freemium | Contact for Pricing, Free |
| Monthly Visits | 44,099,502 | 1,137 |
| MoM Growth Rate | -3.1% | -23.2% |
| Primary Market | United States | United States |
| Direct Visits | 31,584,364 | 451 |
| Review Score | 4.5 | 4.4 |
| Saved Count | 24 | 2 |
| Supported Platforms | Website | Website |

## HubSpot Breeze AI & Agent Hub

HubSpot's artificial intelligence ecosystem—branded across the platform as Breeze AI and managed centrally through Agent Hub—embeds autonomous go-to-market agents directly into the HubSpot Smart CRM. Because every agent operates natively on live contact records, deal timelines, call transcripts, and support tickets, teams can deploy AI across marketing, sales, and service without complex data pipelines or external middleware.

In 2026, Agent Hub serves as the command center for monitoring prefabricated and custom AI teammates. Its specialized roster includes the Customer Agent (which autonomously resolves over 65% of support inquiries across chat, email, and beta voice calling), the Prospecting Agent (which monitors buyer intent signals and drafts personalized outreach), the Content and Campaign Agents (which turn a single marketing goal into multi-channel blog posts, landing pages, and nurture sequences), the Data Agent (which answers custom research questions across CRM records and documents), and the Revenue Agent for automated invoice follow-ups.

Teams that need bespoke workflows can use the no-code Agent Builder canvas to assemble custom agents grounded in proprietary prompts, knowledge bases, and third-party app integrations, accessible anywhere via Breeze Assistant. HubSpot also introduced Answer Engine Optimization (AEO) tools to track brand visibility inside AI search engines, alongside an outcome-based credit model announced in April 2026 that charges $0.50 only when the Customer Agent successfully resolves an inquiry.

**Pricing & Plans:** 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).

- **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.
- **Data Agent & Answer Engine Optimization (AEO):** Query CRM records, call transcripts, and PDFs 10x faster with the Data Agent while tracking how AI answer engines cite and rank your brand via HubSpot AEO.

**Strengths:** 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.; Included credit pools on Starter (500), Professional (3,000), and Enterprise (5,000) let teams test AI agents before buying extra credit packs.; Strong enterprise governance with SOC 2 Type II compliance, published AI model cards, and strict zero-training policies with external LLM vendors.

**Limitations:** Autonomous agents like the Customer Agent require expensive Professional ($800+/mo) or Enterprise ($3,600+/mo) base subscriptions plus mandatory onboarding fees.; All Breeze AI agents and data enrichment features draw from a single shared HubSpot Credits pool, making multi-agent budgeting tricky to predict.; Customer Agent voice calling remains in beta and is metered separately at $0.50 per minute.

[Profile (Markdown)](https://openaitools.app/tool/hubspot-com.md)

## StackAI

. What StackAI is

StackAI is an enterprise AI agent platform aimed at IT and enterprise architecture teams. It provides the building blocks to turn a manual, time-consuming process into a working agent in minutes: a visual canvas for composing agents and multi-step flows, modules for storage, vision, text-to-speech and speech-to-text, and code steps in Python or JavaScript when you need custom logic.

Agents are only as useful as the systems they can touch, so the platform ships with 500+ enterprise integrations that let an agent read, write and execute tasks inside your existing CRM, ticketing, document and collaboration tools. Knowledge bases can be grounded in your own material through document upload, web scraping, Google Drive and Notion connectors, with readers for PDF, Word and PowerPoint. Because it is model-agnostic, each step can route to whichever LLM performs best for that job.

Governance is the differentiator. StackAI is certified to SOC 2 Type II, HIPAA, GDPR and ISO 27001, offers SSO, access control and audit logs, and supports human review at critical decision points. It can run multi-tenant, in your VPC or fully on-premise. The company announced that it has been acquired by Asana, adding human-agent workflow management to the picture. Pricing is a $0 Free plan with 500 runs per month, 2 projects and 1 seat, and a custom Enterprise tier for teams that need unlimited scale, dedicated engineers and regulated deployment options.

**Pricing & Plans:** StackAI has a $0 Free plan that includes 500 runs per month, 2 projects and 1 seat with community support. The Enterprise tier is custom-priced and includes a custom number of runs and seats, unlimited projects, all features and data loaders, dedicated infrastructure and solution engineers, on-premise and VPC deployment, access control, SSO, and SOC 2 / HIPAA / GDPR compliance.

- **No-Code Agentic Workflows:** Assemble agents and multi-step flows on a visual canvas with modules for agents, storage, vision, text-to-speech and speech-to-text, then add Python or JavaScript logic when you need it.
- **500+ Enterprise Integrations:** Connect agents to 500+ enterprise systems so they can read, write and execute tasks inside your CRM, helpdesk, document stores and collaboration tools.
- **Knowledge Bases and Data Loaders:** Ground agents in your own material with document upload, web scraping, Google Drive and Notion connectors, and document readers for PDF, Word and PowerPoint.
- **Security, Governance and Deployment Choice:** Deploy in multi-tenant cloud, your own VPC or on-premise, with SSO, role-based access control, audit logs and human review at critical decision points.
- **Model-Agnostic LLM Routing:** Choose the best-performing model for each step of a workflow instead of standardising on a single provider.
- **Ready-Made Agent Templates:** Pre-built agents for SOW intake, service desk replies, anti-money-laundering screening, call compliance extraction and internal L&D Q&A.

**Strengths:** Visual no-code builder gets agents from process to production quickly; 500+ enterprise integrations let agents act inside existing systems; Model-agnostic routing across leading LLMs; SOC 2 Type II, HIPAA, GDPR and ISO 27001 certifications

**Limitations:** Advanced capabilities such as on-prem, VPC deployment and SSO are Enterprise-only; The free plan is tight at 500 runs per month, 2 projects and a single seat; No public self-serve mid-tier pricing between Free and Enterprise; Enterprise focus means more setup and governance overhead than a lightweight automation tool

[Profile (Markdown)](https://openaitools.app/tool/stack-ai-com.md)

## Frequently Asked Questions

### How do HubSpot Breeze AI & Agent Hub and StackAI compare in monthly traffic?

HubSpot Breeze AI & Agent Hub has 44,099,502 monthly visits, while StackAI has 1,137. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

HubSpot Breeze AI & Agent Hub has a month-over-month growth rate of -3.1%; StackAI has -23.2%.

### 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). StackAI: Contact for Pricing, Free. StackAI has a $0 Free plan that includes 500 runs per month, 2 projects and 1 seat with community support. The Enterprise tier is custom-priced and includes a custom number of runs and seats, unlimited projects, all features and data loaders, dedicated infrastructure and solution engineers, on-premise and VPC deployment, access control, SSO, and SOC 2 / HIPAA / GDPR compliance.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Salesforce Agentforce (formerly Einstein)](https://openaitools.app/tool/salesforce-einstein) | 111,910,743 | +2.2% | Freemium | Deep enterprise-grade AI agents and CRM automation, but significantly more complex and expensive to configure than HubSpot. | [.md](https://openaitools.app/tool/salesforce-einstein.md) |
| 2 | [Klaviyo](https://openaitools.app/tool/klaviyo) | 6,674,207 | +6.1% | Paid | Industry-leading autonomous B2C marketing automation and CRM, but less suited for complex B2B sales pipelines than HubSpot. | [.md](https://openaitools.app/tool/klaviyo.md) |
| 3 | [Brevo](https://openaitools.app/tool/brevo) | 6,527,382 | +5.8% | Freemium | Cost-effective all-in-one customer engagement and CRM platform, but offers less advanced AI agent capabilities than HubSpot Breeze. | [.md](https://openaitools.app/tool/brevo.md) |
| 4 | [Zapier](https://openaitools.app/tool/zapier-com) | 5,065,248 | +0.4% | Freemium, Free Trial, Paid | Automate work across thousands of apps — no code required | [.md](https://openaitools.app/tool/zapier-com.md) |
| 5 | [n8n](https://openaitools.app/tool/n8n) | 4,522,449 | -7.4% | Freemium | Open-source workflow automation built for AI agents and technical teams | [.md](https://openaitools.app/tool/n8n.md) |
| 6 | [Instantly](https://openaitools.app/tool/instantly) | 2,336,279 | +6% | Paid, Contact for Pricing | Sales engagement platform with AI agents for lead finding, outreach and deliverability | [.md](https://openaitools.app/tool/instantly.md) |
| 7 | [MindStudio](https://openaitools.app/tool/mindstudio) | 1,793,337 | +14.2% | Contact for Pricing | No-code builder for custom AI agents and workflows | [.md](https://openaitools.app/tool/mindstudio.md) |
| 8 | [Attio](https://openaitools.app/tool/attio) | 1,652,928 | -4.2% | Free Trial, Contact for Pricing | Modern, highly customizable CRM data structures and native AI workflows, but lacks HubSpot's massive pre-built app ecosystem. | [.md](https://openaitools.app/tool/attio.md) |
| 9 | [Crisp](https://openaitools.app/tool/crisp-chat) | 1,408,646 | +1.5% | Free Trial, Paid, Contact for Pricing, Free | AI-first customer support platform with a shared inbox built in | [.md](https://openaitools.app/tool/crisp-chat.md) |
| 10 | [Clay](https://openaitools.app/tool/clay-2-0) | 1,267,465 | -2.7% | Freemium, Free Trial, Contact for Pricing | Exceptional go-to-market data orchestration and enrichment for prospecting, but not a complete traditional CRM suite like HubSpot. | [.md](https://openaitools.app/tool/clay-2-0.md) |

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Source: https://openaitools.app/compare/hubspot-com-vs-stack-ai-com

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