Patterns
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Prompt Chaining

Multi-step prompt orchestration patterns

Overview

Prompt chaining is a fundamental technique in LLM engineering that breaks complex tasks into smaller, interconnected prompts where each output serves as input for the next step, creating structured reasoning pipelines. Recent research from 2024-2025 demonstrates that this approach achieves up to 15.6% better accuracy than monolithic prompts. The technique has evolved significantly with frameworks like LangChain reporting that average steps per trace have doubled from 2.8 to 7.7 in 2024, with 43% of organizations now using advanced graph-based workflows. Modern implementations include sophisticated variants like feedback loops for iterative refinement, hierarchical chains for complex task decomposition, and parallel synthesis for multi-perspective analysis. These patterns enable transparency in AI reasoning, better error isolation, reduced hallucination through focused prompts, and improved maintainability through modular design.

Practical Applications & Use Cases

1

Content Creation Pipelines

Orchestrating research, drafting, editing, and formatting phases in automated content generation workflows with quality checkpoints at each stage.

2

Data Processing Workflows

Breaking down complex data analysis tasks into sequential steps like cleaning, analysis, visualization, and reporting with validation between each phase.

3

Decision Support Systems

Creating multi-stage evaluation processes that consider various factors, gather additional context, and provide comprehensive recommendations.

4

Quality Assurance Workflows

Implementing multi-step validation and improvement cycles for AI-generated outputs through iterative refinement chains.

5

Research Automation

Coordinating information gathering, synthesis, analysis, and documentation across multiple sources and perspectives.

6

Customer Service Flows

Managing complex customer interactions through routing, escalation, and specialized handling based on context and requirements.

7

Code Generation Pipelines

Breaking down software development tasks into planning, implementation, testing, and documentation phases.

8

Educational Content Development

Structuring lesson creation through curriculum analysis, content generation, assessment design, and pedagogical optimization.

Why This Matters

Prompt chaining is essential for building robust AI applications that can handle complex, real-world tasks requiring multiple processing steps. It addresses the limitations of single-prompt approaches by enabling better error handling, intermediate validation, and modular design. This pattern improves maintainability by allowing developers to optimize individual steps independently, enhances debugging through clear separation of concerns, and provides flexibility to adapt workflows based on intermediate results or changing requirements.

Implementation Guide

When to Use

Tasks requiring multiple distinct processing phases with different objectives

Complex workflows where intermediate validation or human oversight is needed

Processes that benefit from specialized prompts optimized for specific subtasks

Scenarios requiring dynamic branching based on intermediate results

Applications where error recovery and retry logic are important

Systems needing to maintain context and state across multiple interactions

Best Practices

Design clear interfaces between chain steps with well-defined input/output contracts

Implement proper error handling and fallback mechanisms at each step

Use context management to maintain relevant information across the chain

Validate intermediate results before proceeding to prevent error propagation

Design chains to be modular and reusable across different workflows

Monitor performance and costs across the entire chain for optimization

Implement logging and observability for debugging and improvement

Common Pitfalls

Creating overly complex chains that could be simplified with fewer, more capable prompts

Poor context management leading to information loss between chain steps

Insufficient error handling causing entire chains to fail on single step errors

Ignoring latency and cost implications of multi-step processing

Tight coupling between steps making the chain brittle and hard to modify

Not validating intermediate outputs leading to cascading quality issues

Available Techniques

Patterns

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