Fathom AnalyticsAnalytics without the cookies.
vs
SemrushThe unified SEO and AI search solution
Comparison · Web Analytics · weekly run Nov 2
Fathom Analytics vs Semrush
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Fathom Analytics is the stronger AI pick in Web Analytics: it has a visibility score of 14.6 versus 2.4 for Semrush.
Choose Fathom Analytics if…
- You want the brand AI engines rank higher (14.6 vs 2.4)
- You want a lower entry price ($15 vs $139)
- AI answers describe it more positively (50% vs 49% positive)
- You need GDPR or CCPA or ePrivacy or PECR coverage
Choose Semrush if…
- You want a free plan to start
- You prefer a larger, established vendor (1,001–5,000 employees)
- Flat tiers pricing suits your budget better than usage-based
- Widely recommended as a top-tier all-in-one platform for broad suites
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Fathom Analytics | Semrush |
|---|---|---|
| Visibility score | 14.6% | 2.4% |
| Change vs last week | New | New |
| Rank in Web Analytics | #8 | #24 |
| Share of voice | 4% | 0.8% |
| Mentions this run | 20 | 4 |
| Positive in AI answers | 50% | 49% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Fathom Analytics 0pp · Semrush 0pp over 0 weekly runs.
Engine by engine
Fathom Analytics leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
Fathom AnalyticsSemrush
Head to head in AI answers
0 engine answers name both brands
0Fathom Analytics ranked higher
0Semrush ranked higher
Features, pricing & fit
| Dimension | Fathom Analytics | Semrush |
|---|---|---|
| Pricing model | Usage-based | Flat tiers |
| Entry price | $15 / mo | Free; paid from $139 / mo |
| Free plan | No · 7-day trial | Yes |
| Deployment | Hosted software-as-a-service | — |
| Compliance | GDPR, CCPA, ePrivacy, PECR | — |
| Support | Email support, Help centre | Help Center and Basic Onboarding, Enterprise SLA and 24/7 support, Dedicated account manager |
| Founded | 2018 | 2008 |
| Headquarters | Victoria, British Columbia, Canada | Boston, MA |
| Employees | 1–10 | 1,001–5,000 |
| Funding | Bootstrapped | IPO |
| Best for | European companies and agencies that want website analytics without cookies or personal data collection. | Freelancers and small businesses through to agencies and enterprises managing multiple brands, regions and teams. |
Plans side by side
Fathom Analytics
100,000 pageviews$15month
200,000 pageviews$25month
500,000 pageviews$45month
1,000,000 pageviews$60month
2,000,000 pageviews$100month
5,000,000 pageviews$140month
10,000,000 pageviews$200month
15,000,000 pageviews$290month
20,000,000 pageviews$380month
25,000,000 pageviews$470month
CustomCustommonth
Semrush
Free$0month
SEO$139month
Starter SEO + AI Search$199month
Pro+ SEO + AI Search$299month
Advanced SEO + AI SearchCustomcustom
EnterpriseCustomcustom
Pros and cons
Themes from the AI answers that mention each brand
Fathom Analytics
- privacy-focused, cookie-free analytics
- simple dashboard and simple metrics
- fast and reliable
- predictable flat-rate pricing based on pageviews
- lightweight tool suited to small sites
Semrush
- Widely recommended as a top-tier all-in-one platform for broad suites
- Strong keyword research, competitor analysis, and site auditing
- Strongest overall all-in-one SEO choice for most businesses
- Good value with discounts on annual billing and free trial
- Useful AI search visibility and rank tracking
- Pricing is high, with enterprise-style suites costing around $100 or more per month
- Less comprehensive than Ahrefs for backlinks in some comparisons
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Fathom Analytics vs Semrush”, https://slateindex.ai/compare/fathom-analytics-vs-semrush, data of Nov 2, 2026. Licence: CC BY 4.0.