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Comparison · Email Marketing · weekly run Nov 2
Campaign Monitor vs Epsilon
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Campaign Monitor is the stronger AI pick in Email Marketing: it has a visibility score of 4.3 versus 0.9 for Epsilon.
Choose Campaign Monitor if…
- You want the brand AI engines rank higher (4.3 vs 0.9)
- You need GDPR or SOC 2 Type 1 coverage
- Good for traditional email campaigns
- 30-day free trial
Choose Epsilon if…
- You need ISO 27001 or SOC 2 audit for parts of the business coverage
- You prefer a larger, established vendor (5,000+ employees)
- flexible technology for high-volume programs
- campaign operations, strategy, and creative services
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Campaign Monitor | Epsilon |
|---|---|---|
| Visibility score | 4.3% | 0.9% |
| Change vs last week | New | New |
| Rank in Email Marketing | #18 | #35 |
| Share of voice | 1% | 0.2% |
| Mentions this run | 6 | 1 |
| Positive in AI answers | 0% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Campaign Monitor 0pp · Epsilon 0pp over 0 weekly runs.
Engine by engine
Campaign Monitor leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
Campaign MonitorEpsilon
Head to head in AI answers
0 engine answers name both brands
0Campaign Monitor ranked higher
0Epsilon ranked higher
Features, pricing & fit
| Dimension | Campaign Monitor | Epsilon |
|---|---|---|
| Pricing model | Flat tiers | — |
| Entry price | Contact sales | — |
| Free plan | No | — |
| Compliance | GDPR, SOC 2 Type 1 | ISO 27001, SOC 2 audit for parts of the business |
| Support | AI Support Agent, Email support, Phone support (Premier plan), Deliverability support | — |
| Founded | 2004 | 1969 |
| Headquarters | Nashville, Tennessee | Irving, Texas, United States |
| Employees | 201–500 | 5,000+ |
| Funding | Recap | — |
| Best for | Small businesses, nonprofits, and marketing agencies | Brands that want personalized, omnichannel marketing run at individual level and at scale |
Plans side by side
Epsilon
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Campaign Monitor
- Good for traditional email campaigns
- 30-day free trial
Epsilon
- flexible technology for high-volume programs
- campaign operations, strategy, and creative services
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Campaign Monitor vs Epsilon”, https://slateindex.ai/compare/campaign-monitor-vs-epsilon, data of Nov 2, 2026. Licence: CC BY 4.0.