Independent head-to-head
Ahrefs vs Semrush
Both are on our shortlist, and most people only need one. Here is where each genuinely wins.
Do you need a link-led SEO tool, or one subscription that also covers PPC and wider marketing research?
Choose Ahrefs if backlink research, outreach or competitive link analysis is the core of your work; choose Semrush if you will use its PPC, advertising and wider marketing data as well. Ahrefs starts at $129/month and Semrush at $139/month, so the entry price is not what separates them — scope is.
Ahrefs
Backlink Analysis ToolsThe strongest backlink index, wrapped in the cleanest interface.
Semrush
Backlink Analysis ToolsThe broadest all-in-one SEO and marketing platform.
Decision view
Compare what changes the answer
| Decision factor | Ahrefs$129/mo | Semrush$139/mo |
|---|---|---|
| Starting price | $129/mo | $139/mo |
| Free plan | No | No |
| Free trial | None | 7 days |
| Best for | Anyone whose work is link-led — outreach, digital PR, or competitive link analysis — and agencies managing many verified domains. | Teams who need SEO, PPC and competitor research from one subscription and will genuinely use more than the SEO toolkit. |
| Not for | Teams who need PPC and social data in the same subscription, or who want a usable free tier for unverified sites. | Solo operators who only need keywords and rankings — you will pay for a marketing suite and use a keyword tool. |
Shared answers are dimmed so trade-offs stay visible.
Plan comparison
Published plans as recorded on each vendor’s pricing page on its verification date. Limits and add-ons differ between vendors, so compare at your own volume.
Ahrefs
| Plan | Monthly | Notes |
|---|---|---|
| Lite | $129 | — |
| Standard | $249 | — |
| Advanced | $449 | — |
Semrush
| Plan | Monthly | Notes |
|---|---|---|
| SEO | $139 | SEO toolkit only. |
| Pro+ | $299 | Adds AI visibility tooling. |
| Advanced | $549 | — |
Where Ahrefs wins
- Its own crawler and link index are the core of the product, and the reason most people subscribe
- Cleanest interface of the major platforms — less time hunting for reports
- Free Webmaster Tools is genuinely useful on your own verified sites
Where Semrush wins
- Widest feature coverage of any single SEO subscription
- Intent labels and clustering are the best in class for research at scale
- Strong PPC and advertising data that competitors largely lack
Ahrefs or Semrush?
Choose Ahrefs if backlink research, outreach or competitive link analysis is the core of your work; choose Semrush if you will use its PPC, advertising and wider marketing data as well. Ahrefs starts at $129/month and Semrush at $139/month, so the entry price is not what separates them — scope is.
Anyone whose work is link-led — outreach, digital PR, or competitive link analysis — and agencies managing many verified domains.
Teams who need SEO, PPC and competitor research from one subscription and will genuinely use more than the SEO toolkit.
What decides it
- Scope
- Ahrefs is deliberately narrow: SEO only, no PPC or social tooling. Semrush adds paid search and ad research, which most competitors lack.
- Links
- Ahrefs is built around its own crawler and link index. Semrush's backlink index is described in our review as respectable but not the largest.
- Research at scale
- Semrush's Keyword Magic Tool adds intent labels and auto-clustering; Ahrefs' Keywords Explorer groups by parent topic.
- Limits
- Semrush limits are per user and extra seats are expensive; some Ahrefs reports use credits that can run out mid-audit. Model your team size and audit volume before choosing.