Glossary · Foundations

LLM OptimizationLLMO

Large Language Model Optimization — shaping your content so LLMs like ChatGPT, Gemini and Claude surface and recommend you; a synonym for GEO and AEO.

Updated August 20264 min readReviewed by PageLens.ai

How a language model predicts

The text so far

“The best CRM for a small team is

predict the next token

Probability of each next token

  • yourbrand0.42
  • Acme0.28
  • Salesforce0.19
  • 0.11
LLMO is the work of being a source a large language model reaches for when it answers.

LLMO stands for Large Language Model Optimization — the work of shaping your content and brand so that large language models like ChatGPT, Gemini and Claude surface and recommend you when a buyer asks them a question in your category.

What LLMO means

A large language model doesn’t return a ranked list of links; it generates an answer, often naming a few brands and drawing on a handful of sources. LLMO is the practice of making sure your brand is one of those names — that when the model weighs what it knows and what it can retrieve, your content is credible and quotable enough to be part of the response.

Another name for the same practice

It’s worth saying plainly: LLMO is essentially a synonym for GEO, AEO and “LLM SEO.” The field is new and its vocabulary hasn’t converged, so several competing acronyms all point at the same emerging goal — being surfaced and recommended by AI. LLMO is simply the label that keeps the large language model front and center.

What actually moves it

Because it’s the same practice, the levers are the same too. To get a large language model to recommend you, be:

  • Clear.Answer real questions directly, so the model can understand and reuse what you’ve written.
  • Credible. Build authority that holds up across your site and third-party sources the models trust.
  • Quotable. Write self-contained passages a model can lift without needing the rest of the page.
  • Retrievable. Stay crawlable and cleanly structured so the model can actually fetch you when it grounds an answer.
  • Consistent as an entity. Keep your brand, products and people described the same way everywhere, so the model resolves who you are.

How you measure it

You can’t manage what you can’t see. LLMO becomes tractable once you prompt the major models with the questions your buyers actually ask and track whether you’re surfaced, what the models say about you, which sources they lean on, and how your share of the recommendation compares to competitors.

Frequently asked

What does LLMO stand for?
Large Language Model Optimization — the practice of shaping your content and brand so large language models like ChatGPT, Gemini and Claude surface and recommend you when someone asks a relevant question.
Is LLMO different from GEO or AEO?
Not really. LLMO is essentially a synonym for Generative Engine Optimization (GEO), Answer Engine Optimization (AEO) and 'LLM SEO.' The field has several competing names for the same emerging practice; LLMO is the one that puts the large language model in the foreground.
How do I do LLMO?
The levers are the same as GEO and AEO: be a clear, credible, quotable and retrievable source, with consistent entity signals across the web. Then measure whether the models actually surface and recommend you for the questions your buyers ask.