Amazon SES vs Twilio SendGrid
Amazon SES and Twilio SendGrid are both popular choices in the transactional email service space. Amazon SES is priced by usage, while Twilio SendGrid starts at $15/mo. Their pricing is not measured the same way, so we don't rank them on price. Twilio SendGrid has the edge with marketing automation, A/B testing, ecommerce integrations.
Quick Verdict
Amazon SES wins on rating.
Twilio SendGrid wins on deliverability, integrations.
Best for most users: Twilio SendGrid (developers needing transactional email api).
Amazon SES
Cheapest email at scale on AWS infrastructure
Amazon SES is AWS's cloud-based email sending service that processes over a trillion emails annually for customers like Netflix and Duolingo. At just $0.10 per 1,000 emails with no minimum commitments, it is the most cost-effective option for developers and businesses already in the AWS ecosystem who need raw transactional email infrastructure at massive scale.
Twilio SendGrid
Scalable email API trusted by developers worldwide
Twilio SendGrid is a cloud-based email delivery platform founded in 2009 and acquired by Twilio for $2 billion in 2019. It uniquely splits its offering into a developer-focused Email API (for transactional messages) and a marketer-focused Marketing Campaigns product, each with separate pricing. With 320 integrations and SDKs in multiple languages, it remains the go-to choice for engineering teams that need reliable, high-volume email infrastructure.
Feature Comparison
| Feature | Amazon SES | Twilio SendGrid |
|---|---|---|
| Rating | 4.4/5 | 4/5 |
| Starting Price | Usage-based | $15/mo |
| Free Plan | No free plan | No free plan |
| Founded | 2011 | 2009 |
| Email Templates | 0 | 60 |
| Integrations | 50 | 320 |
| Deliverability Rate | 95% | 95.5% |
| Marketing Automation | No | Yes |
| A/B Testing | No | Yes |
| Landing Pages | No | No |
| Segmentation | No | Yes |
| Drag & Drop Editor | No | Yes |
| SMS Marketing | No | No |
| Ecommerce Features | No | Yes |
| API Access | Yes | Yes |
| Multi-Language | No | No |
| Web Push Notifications | No | No |
| Live Chat | No | No |
| Advanced Analytics | Yes | Yes |
Amazon SES: Pros & Cons
Pros
- + Extremely low cost at $0.10 per 1,000 emails, making it the cheapest option for high-volume sending
- + Native integration with AWS ecosystem including Lambda, SNS, CloudWatch, and IAM
- + Handles over a trillion emails per year with enterprise-grade reliability and uptime
- + Built-in support for SPF, DKIM, and DMARC email authentication out of the box
- + Flexible IP options including shared, dedicated ($24.95/mo), and managed dedicated IPs
Cons
- − Steep learning curve requiring AWS expertise for domain verification, DKIM, SPF, and IAM setup
- − No visual drag-and-drop email editor or built-in template builder included
- − Limited customer support; no phone support and documentation can be hard to navigate
- − Strict sending limits initially; requires a production access request to leave the sandbox
- − Advanced analytics like click tracking require additional services like Amazon Pinpoint at extra cost
Twilio SendGrid: Pros & Cons
Pros
- + Industry-leading RESTful API with SDKs in 7 languages and clear documentation, enabling integration in under 2 hours
- + 320 native integrations including Zapier, Shopify, Oracle, Litmus, and Drift
- + 95.5% delivery rate with dedicated IP options and deliverability optimization tools on Pro plans
- + Detailed analytics suite with geographical breakdown, client usage stats, and real-time event webhooks
- + Handles massive scale with plans supporting up to 2.5 million emails/month on self-serve and 5M+ on enterprise
Cons
- − Customer support is slow with tickets taking days or weeks; phone support reserved for Custom plan customers only
- − Steep pricing jumps at scale — moving from 200K to 250K emails/month increases cost from $89.95 to $249/month
- − Shared IP pools on lower tiers cause frequent blacklisting and unreliable inbox placement
- − Automation builder limited to a single trigger (list join) with only one condition (time delay), far behind competitors
- − Visual email editor and template system feel dated with poor color contrast and counterintuitive design compared to modern platforms
The Verdict
Amazon SES edges ahead with a 4.4/5 rating compared to Twilio SendGrid's 4/5. The gap comes mainly from support (4.4 vs 3.8) and value for money (5 vs 4.4). On deliverability, Twilio SendGrid reports 95.5% compared to 95% for Amazon SES — a meaningful difference if inbox placement is critical for your campaigns.
| Criterion | Weight | Amazon SES | Twilio SendGrid |
|---|---|---|---|
| Starting Price | 30% | Usage-based | $15/mo |
| Deliverability | 25% | 95% | 95.5% Winner |
| Rating | 25% | 4.4/5 Winner | 4/5 |
| Integrations | 10% | 50 | 320 Winner |
| Free Tier | 10% | No | No |
Weights determine how much each criterion counts toward the final score. See full methodology
Choose Amazon SES if…
- + You're a aws native developers
- + You're a high volume transactional senders
- + Extremely low cost at $0.10 per 1,000 emails, making it the cheapest option for high-volume sending
Choose Twilio SendGrid if…
- + You need marketing automation
- + You need ecommerce integrations
- + You need A/B testing
- + You're a developers needing transactional email api