Resend vs SendGrid
as AI assistants see them, week of 2026-09-28
Resend edges out SendGrid overall, scoring 61 to 47, with a clear lead on ChatGPT (76 vs 44) and Claude (69 vs 53), though Perplexity rates them closer (39 vs 44). Resend is named in 46 of 62 answers versus SendGrid's 45, and both sweep questions like "best transactional email APIs" and "best developer experience" at 4 of 4. Head-to-head, Resend comes out ahead on 5 questions, SendGrid on 4, with 11 ties. Resend is never named for self-hosted email servers or email preview tools, while SendGrid is never named only for the latter.
Head to head
| metric | Resend | SendGrid |
|---|---|---|
| score | 61 | 47 |
| questions won | 18 | 19 |
By assistant
Resend
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 76 | 85% of answers | #1.8 |
| Claude | 69 | 90% of answers | #3.1 |
| Gemini | not sampled this week | ||
| Perplexity | 39 | 45% of answers | #2.1 |
SendGrid
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 44 | 65% of answers | #4.2 |
| Claude | 53 | 85% of answers | #5.1 |
| Gemini | not sampled this week | ||
| Perplexity | 44 | 65% of answers | #4.1 |
Where they differ
Only Resend gets named for
nothing exclusive
Only SendGrid gets named for
- What's the best open-source or self-hosted transactional email server?
More comparisons
- Amazon SES vs Resend
- Postmark vs Resend
- Mailgun vs Resend
- Brevo vs Resend
- Mailgun vs SendGrid
- Amazon SES vs SendGrid
Not sold on either?
Scores count how often each assistant names a product, weighted by position. How the score works · Full Transactional email APIs leaderboard