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ModelTerms

Comparison

Prompt vs System Prompt

Prompt and System Prompt are both common AI/LLM terms but cover different ideas. Here is a quick side-by-side.

When you would reach for Prompt

Prompt comes up when the question is fundamentally about prompting.

A system prompt + user message + a few-shot examples = a typical prompt.

When you would reach for System Prompt

System Prompt comes up when the question is fundamentally about prompting.

"You are a customer-support agent for Acme. Stay on topic."

Frequently asked

What is the difference between Prompt and System Prompt?

Prompt: A prompt is the text you send to an LLM to elicit a response. It typically includes a system message, optional examples, and the user's query. System Prompt: The system prompt is the first message in a chat that sets the model's persona, rules, and overall behavior. It is treated by most providers as higher-trust than user input.

When should I use Prompt vs System Prompt?

Prompt is the right concept when you are focused on prompting. System Prompt applies when you are focused on prompting.

Are Prompt and System Prompt the same thing?

No. Prompt is prompting; System Prompt is prompting. They are related but address different parts of the AI stack.