PostHog vs Semrush

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

PostHog is the stronger AI pick in Web Analytics: it has a visibility score of 21 versus 2.4 for Semrush, and ranks ahead in 100% of the answers that name both.

Choose PostHog if…

You want the brand AI engines rank higher (21 vs 2.4)
AI answers describe it more positively (57% vs 49% positive)
You need a self-hosted or on-premises option
You need SOC 2 Type 2 or GDPR or HIPAA coverage

Choose Semrush if…

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
Strong keyword research, competitor analysis, and site auditing

AI visibility side by side

Latest weekly run · Nov 2

Metric	PostHog	Semrush
Visibility score	21%	2.4%
Change vs last week	New	New
Rank in Web Analytics	#7	#24
Share of voice	6.1%	0.8%
Mentions this run	32	4
Positive in AI answers	57%	49%

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

Visibility score trend

Weekly runs over the last 60 days

PostHog 0pp · Semrush 0pp over 0 weekly runs.

Engine by engine

PostHog leads on 3 of 3 engines

ChatGPT

21.1%

AI Mode

14.8%

2.6%

Perplexity

27%

4.4%

PostHogSemrush

Head to head in AI answers

2 engine answers name both brands

2PostHog ranked higher

0Semrush ranked higher

Prompt	Engine	PostHog	Semrush
What are the best Web Analytics tools in 2026?	Perplexity	#6	#17
Official website of the top web analytics tool vendors	Perplexity	#13	#15

Features, pricing & fit

Dimension	PostHog	Semrush
Pricing model	Usage-based	Flat tiers
Entry price	Contact sales	Free; paid from $139 / mo
Free plan	Yes	Yes
Deployment	PostHog Cloud in US or EU regions, or self-hosted	—
Integrations	926+	—
Compliance	SOC 2 Type 2, GDPR, HIPAA	—
Support	Community support on the free plan, Email support on pay-as-you-go, Slack support for plans over $2k/mo, Paid onboarding call	Help Center and Basic Onboarding, Enterprise SLA and 24/7 support, Dedicated account manager
Founded	2020	2008
Headquarters	San Francisco, CA, United States	Boston, MA
Employees	201–500	1,001–5,000
Funding	Series E	IPO
Best for	Product engineers, product managers, growth engineers and founders who want analytics, session replay, flags and experiments in one platform.	Freelancers and small businesses through to agencies and enterprises managing multiple brands, regions and teams.