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Comparison · Email Marketing · weekly run Nov 2
Epsilon vs Keila
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Epsilon is the stronger AI pick in Email Marketing: it has a visibility score of 0.9 versus 0 for Keila.
Choose Epsilon if…
- You want the brand AI engines rank higher (0.9 vs 0)
- 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 Keila if…
No clear advantage in the published data.
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Epsilon | Keila |
|---|---|---|
| Visibility score | 0.9% | 0% |
| Change vs last week | New | New |
| Rank in Email Marketing | #35 | #50 |
| Share of voice | 0.2% | 0% |
| Mentions this run | 1 | 0 |
| Positive in AI answers | — | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Epsilon 0pp · Keila 0pp over 0 weekly runs.
Engine by engine
Epsilon leads on 1 of 3 engines
ChatGPT
AI Mode
Perplexity
EpsilonKeila
Head to head in AI answers
0 engine answers name both brands
0Epsilon ranked higher
0Keila ranked higher
Features, pricing & fit
| Dimension | Epsilon | Keila |
|---|---|---|
| Deployment | — | Self-hosted with an official Docker image, or managed through Keila Cloud |
| Compliance | ISO 27001, SOC 2 audit for parts of the business | — |
| Support | — | Direct support for Keila Cloud customers with templates, forms and spam complaints, Paid help setting up a self-hosted instance |
| Founded | 1969 | — |
| Headquarters | Irving, Texas, United States | Seybothenreuth, Germany |
| Employees | 5,000+ | — |
| Funding | — | Bootstrapped |
| Best for | Brands that want personalized, omnichannel marketing run at individual level and at scale | Organisations that want an open-source, EU-hosted alternative to Mailchimp, whether self-hosted or managed |
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
Keila
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Epsilon vs Keila”, https://slateindex.ai/compare/epsilon-vs-keila, data of Nov 2, 2026. Licence: CC BY 4.0.