Google answers more queries now without sending a click, and a growing share of product research starts inside ChatGPT, Perplexity, Gemini or Google AI Mode. The discipline that tracks whether those engines mention you has a name: GEO, also called Generative Engine Optimization, AEO or AI visibility. The premise is blunt. If the models do not cite you, you are not in the consideration set.
We looked at 13 tools, from $0 to enterprise, and pulled what practitioners actually say in r/SEO, r/DigitalMarketing and r/b2bmarketing. Every quote below links to its thread so you can read the context yourself.


![13 Best GEO and AI Visibility Tools in 2026 [Free + Paid]](https://cdn.startuphub.ai/storage/v1/object/public/post-images/geo-tools/cloro-ai-search-api.png)


