| Feature | Clearbit | 6sense |
|---|---|---|
| Status | Part of HubSpot. Delivered as Breeze Intelligence. | Independent. |
| Database scale | 100+ B2B attributes from 250+ data sources. Records refresh when a change is detected. | 450 million profiles. 65 million companies. 100+ million emails. 55+ million direct dials. |
| Free plan | No. Free tools were sunset on April 30, 2025. | Yes. Free plan with 50 data credits per month, Company & People Search, Sales Alerts, List Builder, and a Chrome extension. |
| Pricing disclosure | No public pricing. Request pricing via HubSpot. | Credit-based pricing. Quote for paid tiers. |
| Core use cases | HubSpot-native enrichment, routing, and buying intent. | Sales Intelligence with free prospecting credits and predictive features. |
| Best for | Teams standardizing on HubSpot. | Teams that want a larger disclosed database and a free entry tier. |
You need accurate B2B data and activation without wasting budget. Naming shifts and hidden prices slow decisions. This vendor-sourced side-by-side reflects 2025 product reality. Clearbit is part of HubSpot. Its data is delivered as Breeze Intelligence inside HubSpot. 6sense remains independent.
With all of the tools out there today for B2B sales and marketing, which B2B data provider is the best for your company’s success?
Clearbit has touted its B2B intelligence and real-time verified data updates, while 6sense advertises AI-generated data for sales and business growth.
Which of these platforms offers accurate, verified B2B data that is right for your business? Here’s our in-depth comparison to help you identify which tool is best for you and your sales team.
Clearbit Overview
Clearbit enriches companies and contacts inside HubSpot. It offers 100+ B2B attributes from 250+ data sources and refreshes records when a change is detected.
6sense Overview
6sense delivers Sales Intelligence with intent, predictive features, and prospecting. It includes Company & People Search, alerts, list building, and a Chrome extension.
6sense can help a business’ sales team drive growth and revenue by streamlining account-based marketing practices with AI. The tool helps identify key accounts, craft tailored messages, and assist with cold outreach, all in one platform.
This is done by using data to understand the behaviors of these target contacts and then engaging them with the right message at the right time.
Main Differences of Clearbit vs. 6sense
Now that we have a high-level overview of the tools, let’s take a look at the main differences between Clearbit and 6sense.
- Clearbit: HubSpot-native enrichment, routing, and buying intent.
- 6sense: Sales Intelligence with a larger disclosed database and a free entry tier.
Clearbit vs 6sense Side-by-Side Comparison
Let’s take a look at a side-by-side comparison of Clearbit and 6sense before going into more detail about their benefits.
| Clearbit | 6sense | |
| Use Cases | Data enrichmentPersonalized marketing messagesAutomated data entryReal-time data insights | Predictive analyticsIntent dataPersonalized emailsMulti-channel outreachCustom segmentation |
| Database Size & Reliability | 100+ attributes. 250+ sources. Records refresh on change. | 450M profiles. 65M companies. 100M+ emails. 55M+ direct dials. |
| Data Enrichment Features | Enrichment for firmographic and person attributes with automated refresh. | Sales Intelligence with intent and predictive features. |
| Lead Management | Personalized messages for potential leads | Personalized messages for potential leads |
| AI Features | Clearbit AI Agents leverage data | Revenue AI identifies accounts at the buying stage of the sales funnel |
| Integrations | First HubSpot Native Data Provider. Works with HubSpot and Salesforce. | Works with CRM and marketing systems listed on its Sales Intelligence pages. |
| Ease of Use | Relatively easy platform | Some customers state it can be challenging to navigate |
| Compliance | Meets industry security and compliance standards | Meets industry security and compliance standards |
| Browser Extension | Connect extension is sunset as of April 30, 2025. | Chrome extension available on the Free plan. |
| Free Access? | No. Free tools sunset April 30, 2025. | Yes. Free plan with 50 data credits per month. |
Key Features of Clearbit vs. 6sense
Here’s an overview of what we feel are the top five features of each platform to help you see how they stack up.
Clearbit Features
Clearbit provides a variety of APIs and data-rich tools for small to large-size businesses. Unlike 6sense, which focuses more on sales and marketing tools, Clearbit creates more detailed and accurate customer profiles for users:
- Data enrichment: Users can enrich their customer data through Clearbit’s process of including additional customer information and details to their existing data records. This means you can get your customers’ accurate email addresses, social media profiles, and the job titles and industries of important leads.
- Personalized marketing messages: Once you attain customer and lead information, Clearbit will help you personalize your marketing messages by using Clearbit’s detailed customer profiles. That way, you can create marketing messages that are relevant to potential clients.
- Automated data entry: Similar to 6sense, Clearbit also improves the efficiency of your sales and marketing teams by automating data entry and other routine tasks so that your team can focus on more important responsibilities.
- Enhanced security: Clearbit’s Risk API will enhance the security of your business’s data to identify and prevent fraudulent activity.
- Provide real-time data insights: One of the most important features that sets Clearbit apart from 6sense is its real-time insights and recommendations for your sales and marketing team. Clearbit’s Enrichment API adds missing information to your customer data records to help your teams gain a better understanding of your customers’ immediate needs.
6sense Features
Here are 6sense’s top features you should be aware of:
- Predictive analytics and intent data: Predictive analytics help users time their campaigns based on where their potential buyers’ specific interests are, while intent data helps users focus on prospects with the strongest intent.
- Personalized emails: 6sense also crafts conversational emails that can be personalized for leads, saving time for the marketing and sales team while driving up engagement.
- Real-time data: Similar to Clearbit, 6sense also provides access to real-time contact and company data.
- Multi-channel outreach and custom segmentation: From email to advertising, 6sense automates cross-channel outreach and detailed audience segments for better marketing campaign performance.
- Chrome Extensions: A Chrome extension surfaces account insights while you browse.
Winner: Clearbit
While it’s close between the two, we’d choose Clearbit as the winner in overall features. With a well-rounded host of features and an easy-to-use platform, Clearbit is a better choice to enhance lead gen activity in your business.
Clearbit vs. 6sense Database
Database size and accuracy are crucial for any B2B lead generation database. Here’s how these two compare.
Clearbit Data
Clearbit does not publish contact totals. Use 100+ attributes from 250+ sources and automated refresh as the factual description.
6sense Data
6sense provides 450 million B2B profiles and 65 million companies, including 100+ million emails and 55+ million direct dials.
Winner: 6sense
Both tools offer good verification practices, so the winner comes down to database size. With a larger disclosed database, 6sense takes the win here.
Plans & Pricing
Here’s what you need to know about plans and pricing for each platform.
Clearbit Cost
Clearbit does not publish pricing. Clearbit is delivered through HubSpot as Breeze Intelligence. Contact sales for a quote.
6sense Cost
6sense uses a credit-based model. The Free plan includes 50 data credits per month, Company & People Search, Sales Alerts, List Builder, and a Chrome extension. Paid plan pricing is by quote.
Winner: Clearbit
Without transparent pricing, it can be difficult for businesses to understand if the platform is even an option. Not everyone wants to connect with a sales team to get an initial understanding of the cost.
Integrations & API
Both Clearbit and 6sense offer a wide range of integration options, so here’s how the two compare in integrations and API capabilities.
Integrating With Clearbit
Clearbit is the First HubSpot Native Data Provider. It works with HubSpot and Salesforce. Native integrations reduce manual work.
Integrating With 6sense
6sense works with CRM and marketing systems listed on its Sales Intelligence pages.
Winner: 6sense
6sense offers better data synchronization, while Clearbit’s integrations require more manual setup and data syncing. Remember that Clearbit primarily integrates with HubSpot, while 6sense integrates with other popular sales and marketing tools like SalesLoft, Outreach, and CRM systems.
Clearbit vs. 6sense Implementation
Usability is key to any business intelligence tool, and both Clearbit and 6sense tout their ease of user experience and implementation. Let’s see if they are as easy to use as they claim.
Clearbit Usability
Native integrations reduce manual work. Clearbit offers one-click native integrations with CRM systems like Salesforce and marketing automation platforms like HubSpot.
6sense Usability
Users have noted that if they do not have experience with advanced ABM platforms, they have more trouble implementing 6sense. Expect a learning curve when the platform is up and running.
The platform itself was designed to be user-friendly, yet navigating through the setup process and then leveraging the interface could take some time to get used to in everyday settings.
Winner: Clearbit
Clearbit’s quick setup and ease of use make it the clear winner in this category.
Reviews of Clearbit vs. 6sense
We scoured reviews from both G2 and Capterra to learn what actual users are saying about Clearbit versus 6sense.
Clearbit Reviews
Smaller businesses with 50 or fewer employees gave Clearbit positive reviews. The aspects that users found the most helpful included its ease of use, accuracy of identifying a company, customer insights, and efficiency.
There are some negative reviews on data accuracy, but overall, the platform scores well with users.
6sense Reviews
It seems larger, mid-range companies with between 51-1000 employees had positive reviews about 6sense. The consensus was that 6sense is the go-to platform for sales and marketing, with one reviewer saying their marketing team uses 6sense every day.
However, as we mentioned, implementation time can be long, and there is a learning curve to the platform. The tool may be better for larger, more established sales and marketing teams.
Winner: Clearbit
Clearbit received more positive reviews and seems to be a more adaptable and user-friendly tool, according to current customers.
Final Verdict: Is Clearbit of 6sense Better for B2B Success?
Now that we’ve gone through the must-knows about each tool, here’s our final verdict.
Choose Clearbit if you run HubSpot and want native enrichment, routing, and buying intent inside HubSpot.
We’d recommend Clearbit over 6sense for its ease of use, simple setup, and affordable pricing. Overall, Clearbit seems to be a more adaptable, flexible platform, offering a robust database and standard features that you’d find at many other competitors.
If you’re an agile sales and marketing team looking to add an affordable tool to your toolkit, Clearbit may be the way to go.
Choose 6sense if you want a larger disclosed database and a free tier to test Sales Intelligence.
If you’re looking to get ahead of market trends and lean into new AI features and capabilities, 6sense is a platform leaning into AI capabilities. While more complicated, it’s a fair option for well-established teams that want to make a change to their primary lead generation platform.
UpLead is the Best Alternative for B2B Sales & Marketing Teams
Clearbit was the winner when it came to attaining real-time data, competitive integration, and ease of implementation and use. However, it is still pricier than many similar or better options on the market today. UpLead offers greater flexibility, more features, and real-time data verification for less money.
Get started today with a risk-free trial. If you want the power of an industry-leading B2B sales platform at simple, affordable pricing, check out UpLead today.
