EpsilonUnlock marketing's full potential
vs
HubSpotThe agentic customer platform to scale your business.
Comparison · Email Marketing · weekly run Nov 2
Epsilon vs HubSpot
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
HubSpot is the stronger AI pick in Email Marketing: it has a visibility score of 29.4 versus 0.9 for Epsilon.
Choose Epsilon if…
- You need ISO 27001 or SOC 2 audit for parts of the business coverage
- flexible technology for high-volume programs
- campaign operations, strategy, and creative services
Choose HubSpot if…
- You want the brand AI engines rank higher (29.4 vs 0.9)
- You need SOC 2 Type II or SOC 3 coverage
- intuitive, user-friendly interface
- generous free tier
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Epsilon | HubSpot |
|---|---|---|
| Visibility score | 0.9% | 29.4% |
| Change vs last week | New | New |
| Rank in Email Marketing | #35 | #4 |
| Share of voice | 0.2% | 6.8% |
| Mentions this run | 1 | 36 |
| Positive in AI answers | — | 35% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Epsilon 0pp · HubSpot 0pp over 0 weekly runs.
Engine by engine
HubSpot leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
EpsilonHubSpot
Head to head in AI answers
0 engine answers name both brands
0Epsilon ranked higher
0HubSpot ranked higher
Features, pricing & fit
| Dimension | Epsilon | HubSpot |
|---|---|---|
| Pricing model | — | Per seat |
| Entry price | — | Free; paid from $7 per seat / mo |
| Free plan | — | Yes |
| Onboarding fee | — | $3,000 |
| Deployment | — | Cloud |
| Integrations | — | 2000+ |
| Compliance | ISO 27001, SOC 2 audit for parts of the business | SOC 2 Type II, SOC 3 |
| Support | — | Phone |
| Founded | 1969 | 2006 |
| Headquarters | Irving, Texas, United States | Cambridge, Massachusetts, United States |
| Employees | 5,000+ | 5,000+ |
| Funding | — | Corporate round |
| Best for | Brands that want personalized, omnichannel marketing run at individual level and at scale | Startups, small and mid-sized businesses and enterprises wanting marketing, sales and service on one CRM. |
Plans side by side
Epsilon
Pricing not available.
HubSpot
Free$0month
Starter$7month per seat (promotional, new customers; $20/mo/seat standard)
Professional$800month, includes 3 Core Seats (annual commitment; $890/mo)
Enterprise$3,600month, includes 5 Core Seats
Pros and cons
Themes from the AI answers that mention each brand
Epsilon
- flexible technology for high-volume programs
- campaign operations, strategy, and creative services
HubSpot
- intuitive, user-friendly interface
- generous free tier
- all-in-one CRM and marketing platform
- tight CRM integration for live chat and service
- good fit for startups and small businesses
- higher-tier costs and onboarding fees
- higher month-to-month pricing than annual plans
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Epsilon vs HubSpot”, https://slateindex.ai/compare/epsilon-vs-hubspot, data of Nov 2, 2026. Licence: CC BY 4.0.