Rank Math vs Semrush

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 0.4 for Rank Math, and ranks ahead in 100% of the answers that name both.

Choose Rank Math if…

You want a lower entry price ($8.99 vs $139)

Choose Semrush if…

You want the brand AI engines rank higher (64.3 vs 0.4)
You want a free plan to start
You prefer a larger, established vendor (1,001–5,000 employees)
Widely recommended as a top-tier all-in-one platform for broad suites

AI visibility side by side

Latest weekly run · Nov 2

Metric	Rank Math	Semrush
Visibility score	0.4%	64.3%
Change vs last week	New	New
Rank in SEO Tools	#42	#1
Share of voice	0.2%	12.3%
Mentions this run	1	63
Positive in AI answers	—	49%

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

Rank Math 0pp · Semrush 0pp over 0 weekly runs.

Engine by engine

Semrush leads on 3 of 3 engines

ChatGPT

77%

AI Mode

1.1%

64.3%

Perplexity

51.7%

Rank MathSemrush

Head to head in AI answers

1 engine answers name both brands

0Rank Math ranked higher

1Semrush ranked higher

Prompt	Engine	Rank Math	Semrush
Who makes the most used SEO tool?	AI Mode	#7	#1

Features, pricing & fit

Dimension	Rank Math	Semrush
Pricing model	Flat tiers	Flat tiers
Entry price	$8.99 / mo	Free; paid from $139 / mo
Free plan	No	Yes
Deployment	WordPress plugin	—
Support	24/7 support, 24/7 priority support on the Agency plan	Help Center and Basic Onboarding, Enterprise SLA and 24/7 support, Dedicated account manager
Founded	2020	2008
Headquarters	Gurugram, India	Boston, MA
Employees	11–50	1,001–5,000
Funding	M&A Offer	IPO
Best for	WordPress site owners, freelancers and agencies that want on-page SEO, schema and AI search visibility in one plugin	Freelancers and small businesses through to agencies and enterprises managing multiple brands, regions and teams.