Ahrefs vs Semrush
Ahrefs has the better backlink index. Semrush covers more ground — ads, social, PR — in one subscription. Both are expensive.
Ahrefs
Paid
Pick Ahrefs if…
Link building and competitor backlinks are the priority.
Semrush
Paid
Pick Semrush if…
You need one tool covering SEO, paid ads and competitive research.
Side by side
| Ahrefs | Semrush | |
|---|---|---|
| Pricing | Paid | Paid |
| Category | Marketing & SEO | Marketing & SEO |
| Best known for | Backlink and keyword research with AI-assisted content tooling. | SEO, ads and competitor intelligence in one suite. |
| Tags | seo, backlinks, keywords | seo, competitors, ppc |
Related comparisons
Comparisons are editorial and can't be bought. Pricing models change — check both vendors before deciding. Some links earn a commission; see the disclosure.