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Prompt Engineering

Mis à jour le 2026-06-11Confiance : high
prompt-engineeringin-context-promptingalignmentmodel-steerabilityempirical-methodsautoregressive-modelsllm-control

Also known as In-Context Prompting, prompt engineering refers to methods for communicating with large language models to steer their behavior toward desired outcomes without updating model weights. An empirical science requiring extensive experimentation due to high variability across different models.

Core Principles

Empirical Nature

  • Model Variability: Prompt engineering effects vary significantly among different models
  • Experimental Approach: Requires heavy experimentation and heuristics to find effective patterns
  • No Universal Solutions: Techniques that work for one model may fail for another

Fundamental Goals

  • Alignment: Ensuring model outputs match user intentions and values
  • Model Steerability: Achieving consistent control over model behavior through input design
  • Outcome Optimization: Maximizing desired results without architectural changes

Scope and Limitations

Coverage

  • Autoregressive Models: Focused specifically on autoregressive language models
  • Text Generation: Primarily concerned with natural language output steering

Exclusions

  • Cloze Tests: Not applicable to fill-in-the-blank style tasks
  • Image Generation: Does not cover visual model prompting
  • Multimodal Systems: Limited to text-only interactions

Controllable Text Generation

Prompt engineering represents the alignment-focused branch of controllable-text-generation, using input engineering to achieve desired behavioral control.

Model Alignment

Core component of broader alignment strategies, providing practical methods for ensuring AI systems behave according to human preferences and intentions.

Practical Implications

Development Workflow

  • Iterative Testing: Continuous refinement of prompts based on output quality
  • Model-Specific Optimization: Tailoring approaches to individual model characteristics
  • Heuristic Development: Building rule-of-thumb guidelines from empirical results

Applications

  • Content Creation: Steering models toward specific writing styles or formats
  • Task Completion: Directing models to follow specific procedures or methodologies
  • Safety Enhancement: Using prompts to encourage safer, more aligned outputs

See also