Klaviyo vs SendGrid: Full Comparison (2026)
Pricing, features, scores, and a clear verdict on which one is right for you.
The bottom line
Klaviyo positions itself as "the smart marketing platform for ecommerce" while SendGrid goes after "email delivery api and marketing platform" — so the right pick depends on which problem you're actually solving. Both use freemium pricing, but Klaviyo charges per contact while SendGrid charges per email — a meaningful difference for larger teams.
At a glance
| Klaviyo | SendGrid | |
|---|---|---|
| Our score | 86/100 | 81/100 |
| Starting price | $45/mo | $20/mo |
| Free tier | Yes | Yes |
| Best for | The smart marketing platform for ecommerce | Email delivery API and marketing platform |
Pricing comparison
Calculate your cost
Feature comparison
core
| Feature | Klaviyo | SendGrid |
|---|---|---|
| Email builder | Yes | No |
| Automation | Yes | No |
| A/B testing | Yes | No |
| Landing pages | No | No |
| Signup forms | Yes | No |
| Email API | No | Yes |
| SMTP relay | No | Yes |
| Webhooks | No | Yes |
| Templates | No | Yes |
| Analytics | No | Yes |
Ratings breakdown
What the data tells us
How costs scale
SendGrid's pricing curve is steeper — the jump from its entry plan to its top tier is more dramatic than Klaviyo's. If you're a growing team, model the 12-month cost at your projected team size, not just today's. Klaviyo tends to stay more predictable as you add seats or usage.
Key capabilities you'd miss
Choosing Klaviyo means going without Email API, SMTP relay, Webhooks (which SendGrid offers). Choosing SendGrid means losing Email builder, Automation, A/B testing. These are the features that typically drive the final decision — check whether your workflow depends on any of them before committing.
Choose Klaviyo if...
- You want a free tier to get started
- You value powerful features over simplicity
- You need enterprise-grade capabilities
Choose SendGrid if...
- You want a free tier to get started
- You value an intuitive, easy-to-use interface
- You need enterprise-grade capabilities
Frequently asked questions
Is Klaviyo or SendGrid better?
Klaviyo scores 86/100 compared to SendGrid's 81/100 on VendorVS. However, the best choice depends on your needs — Klaviyo excels at ease of use (7/10) while SendGrid scores 8/10.
How much does Klaviyo cost compared to SendGrid?
Klaviyo starts at $45/mo (free tier available). SendGrid starts at $20/mo (free tier available). SendGrid is the more affordable option.
Does Klaviyo or SendGrid have a free plan?
Yes, both Klaviyo and SendGrid offer free tiers, so you can try each before committing to a paid plan.
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