A deep dive into HubSpot’s Breeze Prospecting Agent

Let’s be real: most of a sales rep’s day isn’t actually spent selling. It’s a grind of manual research, writing emails from scratch, and trying to guess the absolute perfect moment to reach out. That leaves precious little time for building relationships and closing deals. AI is stepping in to help, and a lot of new tools are promising to handle the grunt work for you.

HubSpot has tossed its own hat in the ring with the Breeze Prospecting Agent. The big idea is to give your sales team an always-on BDR that’s built right into the platform they already use every day. But is it the right tool for your team?

This guide will give you a straight-up, objective look at what the Breeze Prospecting Agent actually does, what it’s good at, where it falls short, how much it costs, and whether it’s the best option out there.

What is the HubSpot Breeze Prospecting Agent?

So, what exactly is the HubSpot Breeze Prospecting Agent? Think of it as an automated sales assistant that lives right inside your HubSpot CRM. Its main job is to take over the tedious, top-of-funnel tasks that eat up your sales team’s time.

Specifically, it digs through the contacts you already have, keeps an eye out for buying signals (like a company announcing new funding), and then automatically drafts and sends personalized emails to get the conversation started.

The agent is part of HubSpot’s wider "Breeze AI" family, and its biggest selling point is how tightly it’s connected to the HubSpot CRM. It can tap into a company’s entire history, from marketing emails to past sales calls, to write outreach that feels relevant. The goal is to move beyond generic email blasts and create messages that make sense based on how a prospect has already interacted with your business.

Key features of the Breeze Prospecting Agent

The agent rolls a few different jobs into one to help keep your sales funnel full. Let’s break down what it can do for you.

Finding the right time to reach out

We all know how much time prospecting research can take. The Breeze Prospecting Agent tries to automate this by scanning your CRM data, website activity (like who’s viewing your pricing page), and even public info from company news or LinkedIn.

It’s also great at "signal detection." This just means it looks for triggers that suggest a prospect might be ready to talk. That could be a key person changing jobs at a target company, a fresh round of funding, or a contact suddenly binge-reading your blog. When it spots a a signal, it gives your reps a nudge, taking the guesswork out of timing your outreach.

Writing emails that don’t sound robotic

Using all that research, the agent drafts emails that aim for more than just plugging in a {first_name}. It tries to create messages that reference a prospect’s specific challenges, their company’s recent news, or past conversations they’ve had with your team. For companies working globally, it also has multi-language support (currently in Beta), which helps scale outreach across different regions.

You can run it in two ways:

1. Semi-autonomous: The AI drafts the emails, but a human on your team has to give them a final look and click "send."

2. Fully autonomous: You set the rules, and the agent just runs on its own, sending emails automatically when it finds an opportunity.

Using customer history from HubSpot

This is where the agent really leans into its strengths. Since it’s a native part of HubSpot, it has direct access to every bit of data you’ve ever collected in the CRM. It isn’t a separate tool trying to sync information back and forth; it’s working right from the source.

This is all powered by what HubSpot calls "Breeze Intelligence," which got a big boost from their acquisition of Clearbit. It helps enrich your contact and company records with fresh data, which the prospecting agent then uses to make its outreach even smarter.

Limitations to consider

While the deep integration is a huge plus, this agent isn’t going to be the right solution for every company. There are some important trade-offs you should think about before you commit.

It only knows what’s inside HubSpot

The Breeze Prospecting Agent is fantastic at using data from inside HubSpot. But what about all the valuable knowledge your company has stored elsewhere? Let’s face it, important context is scattered everywhere, from internal wikis in Confluence to project plans in Google Docs or years of customer conversations in a helpdesk like Zendesk. The prospecting agent can’t see any of that.

This creates a pretty big blind spot. The AI might see that a prospect has opened a few sales emails, but it has no idea that the same person has three frustrating support tickets open. The "personalization" it generates is based on an incomplete story.

A better way to approach this is with a tool that can connect all your knowledge sources. An AI that can learn from sales calls in HubSpot, support tickets in Zendesk, and troubleshooting docs in Notion can get a complete picture of the customer. This is where a solution like eesel AI really stands out, because it’s built to connect all your disparate apps and give your AI a complete brain.

This infographic shows how eesel AI connects to various apps to create a unified knowledge base, unlike the Breeze Prospecting Agent which is limited to HubSpot.

The setup can feel like a leap of faith

Getting high-quality, on-brand emails from the Breeze Prospecting Agent takes some real effort upfront. Based on HubSpot’s own guides and user feedback, you have to spend time carefully setting up "selling profiles," writing detailed prompts, and creating specific rules to guide the AI.

And while your reps can review emails one by one in the semi-autonomous mode, there isn’t a great way to test how the agent will perform at scale before you unleash it on live prospects. You can’t easily run it against a few thousand past interactions to see what it would have done. This can make switching to a fully autonomous mode feel pretty risky, since you’re essentially testing it on real people.

This is a big difference from a tool like eesel AI, which has a powerful simulation mode. It lets you safely test your AI on thousands of your own historical conversations in a sandbox. You get solid performance forecasts and can tweak the AI until it’s perfect, all before it ever talks to a real customer.

This image shows the eesel AI simulation mode, which allows for safe testing, a feature the Breeze Prospecting Agent lacks.

Pricing explained

The Breeze Prospecting Agent isn’t something you can buy on its own. It comes bundled with a Sales Hub Professional or Enterprise subscription. So, you’re not just paying for the agent; you’re paying for the whole Sales Hub package.

But here’s the catch: using the agent runs on HubSpot Credits. This creates a usage-based cost that can be really tough to predict. Every little thing the agent does, from researching a contact to sending an email, dips into your credit balance. So, the more successful you are and the more prospects you enroll, the higher your monthly bill will be. That can make budgeting a real headache.

Plan Tier	Base Cost	Prospecting Agent Access	Usage Cost Model
Sales Hub Pro	Starts at $2,250/mo (for 5 users)	Included	Consumes HubSpot Credits
Sales Hub Enterprise	Starts at $1,500/mo (for 10 users)	Included	Consumes HubSpot Credits

This kind of pricing can be a surprise for teams who are used to more predictable software costs. For comparison, eesel AI’s pricing is designed to be completely transparent. You pay a flat monthly fee for a certain number of AI interactions, with no hidden charges. You always know what your bill is going to be, and you can even start on a month-to-month plan, which is a rare bit of flexibility in this space.

Is there a better alternative for a unified AI strategy?

So, where does that leave us? The Breeze Prospecting Agent is a capable tool, but it’s locked into the HubSpot ecosystem, can be tricky to set up with confidence, and has a variable cost model that might lead to surprise bills.

For companies that want a more flexible AI solution that’s easy to deploy and works across their entire tech stack, eesel AI is a pretty compelling alternative. It’s designed to solve the exact problems that HubSpot’s closed-off approach creates.

Here’s a quick rundown of how eesel AI is different:

• It unifies all your company knowledge. You can connect it to HubSpot, but also to your helpdesk, internal wikis, and collaboration tools like Slack. This gives your AI a complete understanding of your business, not just a small piece of it.

• You can go live in minutes, not months. eesel AI is self-serve, meaning you can sign up, connect your tools, and start testing your AI agent right away, no sales calls or lengthy demos required.

• You can test with confidence. The simulation engine lets you see exactly how the AI will perform on your real historical data before you flip the switch. It takes the guesswork and risk out of launching.

• You can actually control your costs. The pricing is transparent and predictable. You pay a flat fee for a set capacity. It’s that simple. No surprise bills.

The bottom line

The HubSpot Breeze Prospecting Agent is a solid choice for sales teams who are all-in on the HubSpot platform. If you’re willing to invest the time to fine-tune it and you’re comfortable with the credit-based pricing, it can be a great native tool for automating outreach.

However, if your business values flexibility, speed, and a single source of truth that covers sales, support, and internal docs, then a dedicated, tool-agnostic solution makes a lot more sense. The right AI should support your entire customer journey, not just one part of it.

Ready to deploy an AI that learns from all your company knowledge, not just your CRM? Get started with eesel AI in minutes.