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Course overview
Lesson Overview

4.16 – Using System, User, and Assistant Roles in Chat Models: Modern conversational frameworks use three key roles to maintain context. The system defines overarching behavior and tone, the user initiates queries, and the assistant responds accordingly. This structure keeps interactions coherent across multiple turns. Developers can adjust the system message to control politeness, formality, or expertise level. Role separation ensures consistent output in long sessions and enterprise environments. Understanding these layers helps anyone design predictable, context-aware assistants that behave reliably across repeated conversations and diverse applications.

About this course

A complete 500+ lesson journey from AI fundamentals to advanced machine learning, deep learning, generative AI, deployment, ethics, business applications, and cutting-edge research. Perfect for both beginners and seasoned AI professionals.

This course includes:
  • Step-by-step AI development and deployment projects
  • Practical coding examples with popular AI frameworks
  • Industry use cases and real-world case studies

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