Сравнение system prompt и user prompt. Разберите, чем application-level behavior instructions отличаются от immediate task or question supplied by user.
Краткий вердикт: Используйте system prompt для durable application instructions and constraints; используйте user prompt для immediate request, context and desired output пользователя.
System Prompt describes developer- or application-provided instruction that defines a model’s overall behavior, role, constraints, tone, and output expectations.
Контекст: Наиболее уместно при documenting application-level instructions guiding model behavior consistently.
User Prompt describes immediate instruction, question, or input supplied by a user to an AI system.
Контекст: Наиболее уместно при analyzing what user asked AI system to do in specific interaction.
| Аспект | System Prompt | User Prompt |
|---|---|---|
| Роль в системе | System prompt sets persistent behavior, constraints and expectations within application. | User prompt supplies immediate task, question or context for particular interaction. |
| Где находится | Application or orchestration layer, normally controlled by provider or developer. | User interaction layer, supplied by person or system requesting output. |
| Inputs and outputs | Shapes how model should respond across inputs but is not usually user’s task itself. | Provides task-specific input that model responds to in that interaction. |
| Операционный риск | Weak constraints, prompt leakage, conflicting instructions and overreliance on prompts for security. | Prompt injection, confidential data exposure, misuse requests and attempts to override controls. |
| Распространённая ошибка | Treating system prompt as substitute for access control or policy enforcement. | Assuming user prompt wording harmless because it looks like ordinary text. |
На практике system prompts should be managed like configuration, while user prompts should be managed like untrusted input. Confusing them creates weak controls and misleading audit evidence.
Relying on system prompts as only safeguard for sensitive actions.
Allowing user prompts to override application-level constraints.
Failing to version or review system prompts when behavior changes.
Используйте System Prompt для stable instruction layer defining how AI application should behave. Это термин для design documentation, prompt governance and behavior-control reviews.
Используйте User Prompt для immediate request, question or input driving particular output. Это термин для interaction logs, prompt testing and user-facing workflow analysis.
Architecture documentation should distinguish system-level instructions from user-provided inputs because they have different control owners and risks. ISO/IEC 42001-style management systems support change control, logging and incident review.
A well-designed system should prevent user prompts from overriding protected system instructions. But prompt injection and weak orchestration can still cause failures, so additional controls are needed.
Да. Versioning explains behavior changes and supports auditability, incident review and controlled deployment.
Да. Это immediate input supplied to AI system and should be treated as untrusted unless validated or controlled by application.
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