Ahrefs vs Semrush
Semrush and Ahrefs are the two leading SEO suites and overlap heavily in keyword research, backlink analysis, site audits and rank tracking. Semrush extends further into paid search, content and competitive marketing, while Ahrefs is known for its backlink data and focused SEO workflow.
Ahrefs
SEO researchChoose Ahrefs if… Choose Ahrefs if backlink analysis and competitor SEO research are central to your work and you prefer a focused interface.
Visit Ahrefs Official vendor site
Semrush
SEO researchChoose Semrush if… Choose Semrush if you want a single platform covering SEO, paid search research, content marketing and competitive analysis.
Visit Semrush Official vendor siteKey differences
Side-by-side comparison
| Criterion |  Ahrefs |  Semrush |
|---|---|---|
| Keyword research | Deep keyword research tools | Extensive keyword and intent data |
| Backlink data | Industry-leading backlink index | Large backlink database |
| Site audit | Fast, visual technical audits | Thorough technical audit |
| Rank tracking | Reliable rank tracker | Flexible position tracking |
| Content tools | Content Explorer for research | Strong content marketing toolkit |
| Toolkit scope | Focused on core SEO | Broadest multi-channel suite |
| Pricing | From $129 (per month, billed monthly (includes 1 user)) | From $117.33 (per month, billed annually (per-month equivalent)) |
| Free plan | Ahrefs Free: limited access to Site Explorer and Site Audit for website ownersSource · October 1, 2026 | Free plan: 1 demo project, 10 reports per daySource · September 29, 2026 |
| Free trial | Not verified | 7-day free trial; cancel anytimeSource · September 29, 2026 |
| Platforms | Not verified | Not verified |
| Integrations | Not verified | Not verified |
| Support options | Help Center with articles from the Ahrefs teamSource · October 1, 2026 | Knowledge base with manuals, video walkthroughs and workflows; free demoSource · September 29, 2026 |
| Best for | SEO specialists, Link builders, Content-led growth teams | Marketing agencies, Multi-channel marketing teams, Content marketers |
| Main limitation | Not a multi-channel marketing platform for paid ads or social management | Traffic and keyword figures are modeled estimates, not measured site data |
| Editorial score |
Indicators summarise the text beside them: Included Varies Not available Verify (pricing not yet editor-verified). Ahrefs: Last checked: September 29, 2026 · Semrush: Last checked: September 29, 2026.
Pricing matrix
Ahrefs✓ Verified September 29, 2026Semrush✓ Verified September 29, 2026“From” is the lowest paid price listed for that billing period, as captured from the official page on the check date. Currencies are never converted; plans and limits differ, so compare the full plan tables on each review.
Ahrefs at a glance
Pros
- Highly regarded backlink index and link analysis tools
- Clean interface that makes complex data approachable
- Excellent competitor and content gap research
Cons
- Less coverage of paid search and social than broader suites
- Usage limits can make costs harder to predict for heavy users
- Some advanced features sit on higher tiers
- Not a multi-channel marketing platform for paid ads or social management
- Traffic and volume metrics are estimates and should be validated against first-party data
Semrush at a glance
Pros
- Very broad coverage across SEO, content, paid search and competitive research
- Keyword research with useful intent and difficulty signals
- Project-based workflow suits agencies managing multiple clients
Cons
- Interface can feel crowded because of the number of tools
- Some specialized capabilities are sold as separate add-ons
- Usage limits on projects and tracked keywords shape the real cost
- Traffic and keyword figures are modeled estimates, not measured site data
- Overkill for site owners who only need occasional keyword checks