DEFINITION
LLM
Large Language Model
Definition
A neural network trained on massive text datasets that can understand and generate human language. LLMs are the 'brain' of AI agents — they reason, plan, and decide. Popular LLMs for agents include Claude (Anthropic), GPT-4o (OpenAI), Gemini (Google), and local models like Llama and Qwen.
Examples in the Wild
- Example 1:Claude Sonnet 4 powers reasoning in OpenClaw agents
- Example 2:GPT-4o is used in many ChatGPT plugins