Both are seo tools. Ahrefs AI has the higher Solthar Score, 86 to 85. Ahrefs AI is paid only; Surfer SEO is paid only.
| Ahrefs AI | Surfer SEO | |
|---|---|---|
| Category | SEO · Research | SEO · Content |
| Pricing | Paid | Paid |
| Free trial | No | No |
| Solthar Score | 86/100 | 85/100 |
Ahrefs AI: what it does
Backlink and keyword research with AI content grading on top. Ahrefs AI is paid only. Solthar Score: 86/100.
Key features
- Keyword and backlink research
- AI Content Helper grades and improves articles
- Brand Radar shows how often AI assistants mention your brand
Strengths
- Deep keyword and link data
- Free tools for checking your own site
Trade-offs
- The AI features are paid add-ons
- Gets expensive as you add tools
Surfer SEO: what it does
Data-driven content optimization that scores drafts against what ranks on Google. Surfer SEO is paid only. Solthar Score: 85/100.
Key features
- Content Editor
- SERP analysis
- AI outlines
Strengths
- Clear ranking signals
- Loved by SEOs
Trade-offs
- No free plan
Which should you choose?
Choose Ahrefs AI if deep keyword and link data matters most to you. Choose Surfer SEO if clear ranking signals matters more. If you only try one, Ahrefs AI scores higher overall.