Semrush AI Toolkit vs Similarweb: AI Visibility & GEO Comparison (2026)

Semrush AI Toolkit is suitable for users who need to track brand mentions, share of voice, sentiment, and prompt-level reporting within specific AI models (ChatGPT, Gemini, Perplexity) and AI Overviews, especially if they already use the wider Semrush SEO suite. Similarweb is suitable for users who require AI-powered digital intelligence, competitive benchmarking, real-time and bulk APIs, custom dashboards, SEO strategy AI agents, market research analysis, natural language queries, and daily-level insights, with integrations to Snowflake, AWS, and BI tools.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask ai visibility & geo questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Semrush AI Toolkit leads overall — 78% cited vs Similarweb 10% across 1000 probes.
ChatGPT
Semrush AI ToolkitLeads
9 / 10 probes
90%
Excellent
Similarweb
3 / 189 probes
2%
Poor
Perplexity
Semrush AI ToolkitLeads
8 / 12 probes
67%
Excellent
Similarweb
37 / 189 probes
20%
Average
Gemini
Semrush AI ToolkitLeads
4 / 10 probes
40%
Good
Similarweb
43 / 188 probes
23%
Average
Claude
Semrush AI ToolkitLeads
9 / 10 probes
90%
Excellent
Similarweb
4 / 189 probes
2%
Poor
Copilot
Semrush AI ToolkitLeads
12 / 12 probes
100%
Excellent
Similarweb
6 / 191 probes
3%
Poor
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Semrush AI Toolkit
Starting price
$99/mo add-on
Free tier
No
semrush.com ↗
Similarweb
Starting price
—
Free tier
Yes
similarweb.com ↗

Key Features

Semrush AI Toolkit
  • ✓Tracks brand mentions in ChatGPT, Gemini, Perplexity and AI Overviews
  • ✓Share of voice against named competitors
  • ✓Sentiment and context of each mention
  • ✓Prompt-level reporting
  • ✓Sits alongside the wider Semrush SEO suite
Similarweb
  • ✓AI-powered digital intelligence
  • ✓Competitive benchmarking
  • ✓Real-time and bulk APIs
  • ✓Custom dashboards
  • ✓SEO strategy AI agent
  • ✓Market research analysis
  • ✓Natural language queries
  • ✓Daily level insights

When to choose Semrush AI Toolkit

Choose Semrush AI Toolkit if your primary need is to track brand mentions, share of voice against named competitors, and the sentiment and context of each mention within ChatGPT, Gemini, Perplexity, and AI Overviews, with prompt-level reporting. It also integrates with the wider Semrush SEO suite.

When to choose Similarweb

Choose Similarweb if you need AI-powered digital intelligence, competitive benchmarking, real-time and bulk APIs, custom dashboards, an SEO strategy AI agent, market research analysis, natural language queries, and daily level insights. It offers integrations with Snowflake, AWS, and BI tools and has a free tier.

Frequently Asked Questions

What are the key differences in features between Semrush AI Toolkit and Similarweb?
Semrush AI Toolkit tracks brand mentions in ChatGPT, Gemini, Perplexity, and AI Overviews, provides share of voice against named competitors, sentiment and context of mentions, and prompt-level reporting. Similarweb offers AI-powered digital intelligence, competitive benchmarking, real-time and bulk APIs, custom dashboards, an SEO strategy AI agent, market research analysis, natural language queries, and daily level insights.
Does either tool offer a free tier?
Similarweb offers a free tier. Semrush AI Toolkit does not.
What are the pricing structures for Semrush AI Toolkit and Similarweb?
Semrush AI Toolkit has a starting price of $99/month as an add-on and requires an existing Semrush subscription. Similarweb's pricing details are not listed and require sales contact for packages; its free tier has limited data, and custom solutions may vary in cost.
What integrations do these platforms offer?
Semrush AI Toolkit does not list specific integrations, but it sits alongside the wider Semrush SEO suite. Similarweb integrates with Snowflake, AWS, and BI tools.
What are the advantages of Semrush AI Toolkit?
Semrush AI Toolkit offers the widest data set of any AI visibility tool and is familiar to teams already using Semrush.

AI visibility profiles

Is one of these your brand?

Get the full report by email: every ai visibility & geo buyer question we ask, which engines name you, and who gets named instead.

Semrush AI Toolkit

semrush.com

Similarweb

similarweb.com

Free check

Check any brand's AI visibility — free

We ask the buyer questions in this market across ChatGPT, Claude, Gemini, Perplexity and Copilot, and show you who gets named.

More AI Visibility & GEO Comparisons