AhrefsMake your business discoverable, in search, AI, and beyond.
vs
SimilarwebAI-powered digital data intelligence for market, competitive and consumer insights.
Comparison · SEO Tools · weekly run Nov 2
Ahrefs vs Similarweb
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Ahrefs is the stronger AI pick in SEO Tools: it has a visibility score of 56 versus 2.4 for Similarweb, and ranks ahead in 80% of the answers that name both.
Choose Ahrefs if…
- You want the brand AI engines rank higher (56 vs 2.4)
- You want a free plan to start
- AI answers describe it more positively (49% vs 0% positive)
- You need ISO 27001 coverage
Choose Similarweb if…
- You need ISO/IEC 27001:2022 or SOC 2 Type 2 or SOC 3 coverage
- You prefer a larger, established vendor (1,001–5,000 employees)
- competitive web traffic analysis and market intelligence
- cross-domain traffic sourcing and market share benchmarking
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Ahrefs | Similarweb |
|---|---|---|
| Visibility score | 56% | 2.4% |
| Change vs last week | New | New |
| Rank in SEO Tools | #2 | #22 |
| Share of voice | 12% | 0.9% |
| Mentions this run | 61 | 5 |
| Positive in AI answers | 49% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Ahrefs 0pp · Similarweb 0pp over 0 weekly runs.
Engine by engine
Ahrefs leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
AhrefsSimilarweb
Head to head in AI answers
5 engine answers name both brands
4Ahrefs ranked higher
1Similarweb ranked higher
| Prompt | Engine | Ahrefs | Similarweb |
|---|---|---|---|
| What should an SEO tool integrate with? | ChatGPT | #4 | #7 |
| Compare the leading SEO Tools platforms | ChatGPT | #2 | #5 |
| Which SEO Tools vendors do analysts recommend? | AI Mode | #2 | #6 |
| Which SEO tool offers a free trial? | ChatGPT | #6 | #5 |
| Official website of the top SEO tool vendors | ChatGPT | #2 | #6 |
Features, pricing & fit
| Dimension | Ahrefs | Similarweb |
|---|---|---|
| Pricing model | Flat tiers | Flat tiers |
| Entry price | Free; paid from $29 / mo | Contact sales |
| Free plan | Yes | No |
| Deployment | SaaS | — |
| Compliance | ISO 27001 | ISO/IEC 27001:2022, SOC 2 Type 2, SOC 3 |
| Support | Customer support five days a week, Academy courses and certification, Webinars and AMAs, YouTube tutorials | Email support (support@similarweb.com), Dedicated enterprise support, Sales chat |
| Founded | 2010 | 2009 |
| Headquarters | Singapore | New York, NY, United States |
| Employees | 51–200 | 1,001–5,000 |
| Funding | Bootstrapped | IPO (NYSE) · $240M raised |
| Best for | Freelance SEOs, marketing consultants, and lean in-house marketing teams, from small businesses to Fortune 500 teams. | Marketers, researchers, and SEO and PPC teams |
Plans side by side
Ahrefs
Ahrefs Free$0month
Starter$29month
Lite$129month
Standard$249month
Advanced$449month
Enterprise$1,499month, annual commitment required
Pros and cons
Themes from the AI answers that mention each brand
Ahrefs
- Strong backlink analysis and index
- Strong competitor research
- Honest, transparent pricing
- Deep technical site audits
- Free Webmaster Tools tier for verified site owners
- High monthly cost, especially for smaller budgets
- Seat-based pricing needs careful evaluation against team size
Similarweb
- competitive web traffic analysis and market intelligence
- cross-domain traffic sourcing and market share benchmarking
- competitor benchmarking and market research
- free trial and limited free version
- not suited to precise first-party conversion measurement
- ranked behind Google Analytics and Amplitude in one comparison
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Ahrefs vs Similarweb”, https://slateindex.ai/compare/ahrefs-vs-similarweb, data of Nov 2, 2026. Licence: CC BY 4.0.