Large Language Model (LLM)

A Large Language Model (LLM) is an artificial intelligence system trained on enormous amounts of text data to understand and generate human-like text. LLMs power popular AI assistants like ChatGPT, Claude, and Gemini, as well as AI search engines like Perplexity.

Key LLMs Relevant to GEO:

OpenAI GPT Series

• Powers: ChatGPT, Microsoft Copilot
• Training: Web content, books, code
• Key Feature: Strong general knowledge, coding ability

Anthropic Claude

• Powers: Claude.ai, various integrations
• Training: Constitutional AI approach
• Key Feature: Safety focus, long context windows

Google Gemini

• Powers: Gemini, Google AI Overviews
• Training: Multimodal (text, images, code)
• Key Feature: Integration with Google Search

Meta Llama

• Powers: Various open-source applications
• Training: Open weights, customizable
• Key Feature: Self-hostable, privacy-focused

How LLMs Use Your Content:

1. Training Data: Content may be included in training datasets

2. Retrieval Augmented Generation (RAG): Real-time content retrieval

3. Web Browsing: Direct access to current web content

Understanding how different LLMs work helps inform GEO strategy and optimization priorities.