What LLM stands for
LLM means large language model. It is a type of AI model trained on a vast amount of text so it can predict and generate language-based output.
Why readers should care
Many product differences come from how a company packages its model. The model matters, but so do memory, tools, integrations, interface design, and pricing.
Helpful mental model
Think of the LLM as the reasoning and generation engine, not the entire product. The app around it often determines whether it feels useful in real work.