GEO guides and AI visibility tool comparisons
Plain-language guides to generative engine optimization, and dated comparisons of AI visibility tools.
Guides
What GEO, AEO and AI visibility mean, and how AI answers pick their sources.
What is Generative Engine Optimization (GEO)?
GEO makes a brand easier for AI assistants such as ChatGPT, Perplexity and Gemini to find, understand and cite. How it works and how it differs from SEO.
Read the guideGEO vs SEO: what's the difference in 2026?
GEO vs SEO explained: SEO works on ranked links; GEO works on being named and cited in AI answers. How the signals differ and how to do both in 2026.
How do AI assistants choose which brands to cite?
There is no public formula for which brands AI assistants cite. What is documented, what is inferred, and what you can work on.
What is Large Language Model Optimization (LLMO)?
LLMO is working on your content and authority so language models can pick your site as a source. What it means, how it differs from GEO, and how to approach it.
What is Answer Engine Optimization (AEO)?
AEO is working on your content to be the answer when buyers ask AI a direct question. What it means, how it differs from GEO and LLMO, and how to approach it.
What is AI visibility?
AI visibility is how often your brand appears in AI answers. The definition, how it's measured (mention rate and citation rate), and how to work on it.
GEO vs AEO vs LLMO vs AI visibility: what's the difference?
GEO, AEO, LLMO and AI visibility get used interchangeably but mean different things. Here's a plain breakdown of each, how they relate, and which to focus on.
Comparisons
Published by Citanto, one of the products compared. Citanto is listed first because this is its own site; the order is not a performance ranking.
Citanto compared with other tools
One tool at a time: measurement, content work, delivery and price, side by side.
- Citanto vs Gauge: which GEO tool is right for you?
- Citanto vs Profound: compare measurement, content and delivery
- Citanto vs Peec AI: compare measurement and execution
- Citanto vs Otterly AI: compare tracking, audits and content work
- Citanto vs Scrunch AI: which GEO tool fits you?
- Citanto vs AthenaHQ: compare tracking, content and pricing
- Citanto vs AirOps: GEO tool vs content platform
- Citanto vs Ahrefs: GEO tool vs SEO suite with AI tracking
- Citanto vs Semrush: GEO tool vs SEO suite with AI tracking
AI visibility tools compared
Tool lists with prices checked on each provider's public pricing page in October 2026.
- 6 GEO and AI visibility tools compared (2026)
- AI visibility tools for agencies: 6 options compared (2026)
- Tools to measure your brand in ChatGPT answers (2026)
- Profound alternatives in 2026: 5 tools compared
- Peec AI alternatives in 2026: 5 tools compared
- AI visibility tools for ecommerce: 6 options compared (2026)
- AI visibility tools for B2B SaaS: 6 options compared (2026)
- Gauge alternatives in 2026: 5 tools compared
- Otterly AI alternatives in 2026: 5 tools compared
- Scrunch AI alternatives in 2026: 5 tools compared