SendGrid vs Mailgun: Which is Better in 2026?
Choosing between SendGrid and Mailgun comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: SendGrid wins this matchup. GMass is our overall Email pick. GMass is our free Email pick. Pick Mailgun if you need a free tier to start with.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
SendGrid
Deliver transactional and marketing emails with powerful APIs
Best for you if:
- • You want industry standard
- • You want reliable deliverability
Mailgun
Send, parse, and validate emails with a reliable developer API
Best for you if:
- • You want powerful API
- • You want email validation
| At a Glance | SendGrid | Mailgun |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | ||
Rating | 4.1/5 | 4.1/5 |
Free plan | Yes | Yes |
Choose SendGrid or Mailgun?
Choose SendGrid if
Deliver transactional and marketing emails with powerful APIs
- You want industry standard
- You want reliable deliverability
Choose Mailgun if
Send, parse, and validate emails with a reliable developer API
- You want powerful API
- You want email validation
| Feature | SendGrid | Mailgun |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.1/5 1,121 reviews | ★4.1/5 1,850 reviews |
| Categories | EmailMarketing | EmailDeveloper Tools |
In-Depth Analysis
SendGrid
Deliver transactional and marketing emails with powerful APIs
SendGrid is the default choice for transactional email at scale, but it has become expensive relative to newer competitors.
Watch out
Overage fees on Essentials and Pro are charged per-email and add up fast. Exceeding your plan limit by 20% can increase your bill by 30-40%.
Strengths
- +Industry standard
- +Reliable deliverability
- +Powerful features
Weaknesses
- -Can be complex
- -Support varies by tier
Key features
Mailgun
Send, parse, and validate emails with a reliable developer API
Mailgun's pricing is competitive, especially for developers needing high volume.
Watch out
High overage fees on lower tiers
Strengths
- +Powerful API
- +Email validation
- +Good logs
Weaknesses
- -Complex pricing
- -Support can be slow
Key features
Pricing: SendGrid vs Mailgun
| Plan | SendGrid | Mailgun |
|---|---|---|
| Tier 1 | $0 Free | Free Free |
| Tier 2 | $19.95 Essentials | $35 Foundation |
| Tier 3 | $89.95 Pro | $90 Scale |
| Tier 4 | Custom Premier | Custom Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on SendGrid pricing and Mailgun pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: SendGrid
Want the highest-rated option?
SendGrid: 4.1/5 (1,121 reviews). Mailgun: 4.1/5 (1,850 reviews).
Go with: SendGrid
Value user reviews?
SendGrid: 1,121 reviews (4.1/5). Mailgun: 1,850 reviews (4.1/5).
Go with: Mailgun
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Both are email tools. Compare their specific features to decide.
How important are ratings?
Both are rated 4.1/5.
Key Takeaways
SendGrid
- Free tier available
- Our pick for this comparison
Mailgun
- Larger review base (1,850 reviews)
The Bottom Line
SendGrid wins this matchup. GMass is our overall Email pick. GMass is our free Email pick.
Frequently Asked Questions
Is SendGrid or Mailgun better?
SendGrid is rated in our evaluation. Both are freemium.
What are SendGrid and Mailgun used for?
SendGrid: Deliver transactional and marketing emails with powerful APIs. Mailgun: Send, parse, and validate emails with a reliable developer API.
What does SendGrid cost vs Mailgun?
SendGrid is freemium (free tier + paid plans). Mailgun is freemium (free tier + paid plans). Visit their websites for detailed pricing.