Head to head · Writing · updated Oct 27, 2026
Writesonic vs Surfer SEO
Writesonic scores 19 to Surfer SEO's 3 on public evidence for SEO content & briefs, and they rank #1 and #3 there. Only Writesonic has a free tier. Numbers below are the same public signals the ranking uses, recomputed nightly — nothing here is sponsored.
Writesonic
An SEO-oriented AI writer that drafts articles with keyword research and publishes to WordPress.
+ The article writer pulls in SERP data and competitor outlines so drafts are structured for search.
− Pricing and plan names change frequently, and long articles need heavy editing to avoid generic filler.
Surfer SEO
Scores a draft against what is already ranking and tells you what the page is missing.
+ The content score is the clearest brief a writer can be handed.
− Optimising to the score produces pages that read like they were optimised to a score.
Side by side
public evidence| Writesonic | Surfer SEO | |
|---|---|---|
| Evidence score / 100 | 19 | 3 |
| GitHub stars | closed source | closed source |
| Hacker News stories, 30d | 0 | 0 |
| Release-feed mentions, 30d | 0 | 0 |
| Last activity | – | – |
| Pricing | Free tier | Paid monthly by article credits |
| Platforms | web, chrome-extension | web, chrome-extension, api |
| Maker | Writesonic | Surfer |
Which one?
Pick Writesonic if
- you want the stronger public evidence (19 vs 3)
- you want a free tier to start on
Best for SEO blog drafts.
Pick Surfer SEO if
- you need it on api
Best for briefing writers against live search results.