SemrushThe unified SEO and AI search solution
vs
SpyFuWin in AI & Google Search
Comparison · SEO Tools · weekly run Nov 2
Semrush vs SpyFu
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Semrush is the stronger AI pick in SEO Tools: it has a visibility score of 64.3 versus 2 for SpyFu, and ranks ahead in 100% of the answers that name both.
Choose Semrush if…
- You want the brand AI engines rank higher (64.3 vs 2)
- You want a free plan to start
- AI answers describe it more positively (49% vs 33% positive)
- You prefer a larger, established vendor (1,001–5,000 employees)
Choose SpyFu if…
- You want a lower entry price ($39 vs $139)
- competitor keyword intelligence
- PPC intelligence
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Semrush | SpyFu |
|---|---|---|
| Visibility score | 64.3% | 2% |
| Change vs last week | New | New |
| Rank in SEO Tools | #1 | #27 |
| Share of voice | 12.3% | 1.1% |
| Mentions this run | 63 | 6 |
| Positive in AI answers | 49% | 33% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Semrush 0pp · SpyFu 0pp over 0 weekly runs.
Engine by engine
Semrush leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
SemrushSpyFu
Head to head in AI answers
6 engine answers name both brands
6Semrush ranked higher
0SpyFu ranked higher
| Prompt | Engine | Semrush | SpyFu |
|---|---|---|---|
| What are the best SEO Tools tools in 2026? | ChatGPT | #2 | #9 |
| Compare the leading SEO Tools platforms | Perplexity | #1 | #9 |
| Alternatives to the most popular SEO tool | ChatGPT | #1 | #6 |
| Alternatives to the most popular SEO tool | AI Mode | #1 | #7 |
| Official website of the top SEO tool vendors | ChatGPT | #1 | #9 |
| Official website of the top SEO tool vendors | Perplexity | #1 | #10 |
Features, pricing & fit
| Dimension | Semrush | SpyFu |
|---|---|---|
| Pricing model | Flat tiers | Flat tiers |
| Entry price | Free; paid from $139 / mo | $39 / mo |
| Free plan | Yes | No |
| Deployment | — | Runs on dedicated bare-metal servers from phoenixNAP |
| Support | Help Center and Basic Onboarding, Enterprise SLA and 24/7 support, Dedicated account manager | Email, Live chat, Phone |
| Founded | 2008 | 2005 |
| Headquarters | Boston, MA | Scottsdale, Arizona, United States |
| Employees | 1,001–5,000 | 11–50 |
| Funding | IPO | Other Investors (latest listed round) |
| Best for | Freelancers and small businesses through to agencies and enterprises managing multiple brands, regions and teams. | Marketers and agencies doing competitor SEO and Google Ads research |
Plans side by side
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
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
SpyFu
- competitor keyword intelligence
- PPC intelligence
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Semrush vs SpyFu”, https://slateindex.ai/compare/semrush-vs-spyfu, data of Nov 2, 2026. Licence: CC BY 4.0.