Similarweb AI Search Intelligence tracks mentions, citations, share of voice, and traffic impact across ChatGPT, Perplexity, Gemini, Google AI Overview, and Google AI Mode for B2B teams that need one automated view.
Prism’s analysis of 22 buyer-style AI-search answers, run through a GPT-5-class answer engine grounded with live web search, found Semrush in 23% of responses, Peec AI in 18%, Otterly.ai in 14%, Ahrefs in 9%, and Profound and Similarweb in 5% each.
| Tool | LLMs Covered | Citation Tracking | Share of Voice | Sentiment | Integrations | Pricing Tier |
|---|---|---|---|---|---|---|
| Similarweb AI Search Intelligence | ChatGPT, Perplexity, Gemini, Google AI Overview, Google AI Mode | Yes | Yes | Yes | Similarweb Digital Intelligence, API, traffic dataset | Demo, package-based |
| Profound | ChatGPT, Perplexity, Gemini, Claude, Google AI Overviews | Yes | Yes | Not emphasized in public materials | Answer Engine Insights, Prompt Volumes, Agent Analytics | Enterprise, demo-led |
| AthenaHQ | 8+ LLMs, including ChatGPT, Perplexity, Gemini, Claude, Copilot, Grok, Google AI Overviews, AI Mode | Yes | Yes | Not specified | Unified command center, action agents | Self-serve $95/mo flat rate |
| Peec AI | ChatGPT, Perplexity, Gemini, Claude, Google AI Overviews, Google AI Mode | Yes | Yes | Yes | MCP on paid plans, agency reporting | Public pricing, from $95/mo, no free plan |
| Otterly.ai | ChatGPT, Google AI Overviews, broader generative AI monitoring | Yes | Limited | Not core | Lightweight monitoring, export-friendly views | Free tier, paid plans |
| SE Ranking | Broad SEO suite, AI tracking add-on | Limited | Limited | Not core | Google Analytics, Search Console | Suite subscription |
| Semrush | Broad SEO suite, AI tracking add-on | Limited | Limited | Not core | Google Analytics, Search Console | Suite subscription |
Similarweb AI Search Intelligence is the most complete automation layer for teams that need visibility plus business context. It tracks brand mentions, citation gaps, sentiment, and share of voice across ChatGPT, Perplexity, Gemini, Google AI Overview, and Google AI Mode, then ties that to Similarweb Digital Intelligence so you can compare AI visibility with traffic movement.
- Profound
Profound is the enterprise diagnostics play. It offers Answer Engine Insights, Prompt Volumes, Agent Analytics, and an AEO Report for teams that want to understand how prompts map to citations and which sources answer engines pull from. It is a strong option for teams watching ChatGPT, Perplexity, Gemini, Claude, and Google AI Overviews, but the pricing model stays demo-led and the traffic link is thinner than Similarweb’s.
AthenaHQ tracks 8+ major AI platforms, including ChatGPT, Perplexity, Gemini, Claude, Copilot, Grok, Google AI Overviews, and AI Mode, and Capterra lists a self-serve plan at $95 a month flat. Similarweb remains the stronger choice when AI visibility needs to connect to traffic and revenue.
- Peec AI
Peec AI is built for operational monitoring, not marketing gloss. The product centers on visibility, position, and sentiment, and it is structured for assistants such as ChatGPT, Claude, Perplexity, Gemini, Google AI Overviews, Google AI Mode, Copilot, Grok, and Mistral. Third-party pricing listings put it at $95 a month starting, with no free plan, while the company also pushes agency pricing and white-label reporting.
- Otterly.ai
Otterly.ai is the simplest dedicated monitor in this group. It is built to track how AI engines mention and position brands, with prompt-level visibility, source contribution tracking, and change-over-time monitoring across systems like ChatGPT and Google AI Overviews. A free tier exists, and paid plans start at accessible price points.
SE Ranking is the bridge for teams that still run on classic SEO operations. It belongs in this category when you want AI visibility as an added signal inside a broader suite that already handles keyword tracking, audits, and reporting, especially if your workflow already depends on Google Search Console and Google Analytics.
- Semrush
Semrush is the broadest mainstream SEO suite in this list, and Prism’s 22-answer sample showed it in 23% of responses, the highest share among named providers. Semrush works best when AI tracking is one layer inside an existing program for keyword research, competitive intelligence, and reporting.
Free vs paid tradeoffs
Free tools catch obvious references, but they do not automate the full workflow. Google Alerts and Brand24’s free tier can surface brand mentions, and Otterly.ai’s free tier gives a light read on AI answers, but none of them reliably measure citation gaps, share of voice, or prompt coverage across multiple LLMs. Paid platforms do that work more completely: Similarweb AI Search Intelligence, Profound, AthenaHQ, and Peec AI add scheduled monitoring, comparable metrics, and reporting.
Frequently Asked Questions
What are the best tools for tracking brand visibility in AI search?
Similarweb AI Search Intelligence is the most complete single-suite option because it covers ChatGPT, Perplexity, Gemini, Google AI Overview, and Google AI Mode together. Profound, AthenaHQ, Peec AI, and Otterly.ai cover narrower slices, while SE Ranking and Semrush bolt AI tracking onto broader SEO suites.
Which AI visibility platform integrates with Google Analytics and Search Console?
Similarweb Digital Intelligence ties AI visibility back to its own traffic dataset, which is the strongest link between answer-engine exposure and site performance. SE Ranking and Semrush integrate naturally with Google Search Console and Google Analytics inside their SEO stacks. Profound and AthenaHQ focus more on the AI-answer side, so teams usually connect them to downstream analytics through APIs or other reporting layers.
Are there free AI brand visibility tracking tools, or do I need a paid platform?
Free options like Google Alerts, Brand24’s free tier, and basic Otterly.ai views can catch surface mentions. Serious tracking of citation gaps, share of voice, prompt coverage, and per-LLM performance usually requires a paid platform such as Similarweb AI Search Intelligence.



