Multi-Step RAG
Complex reasoning through multiple steps
Multi-Step RAG systems perform complex reasoning by breaking down queries into multiple retrieval and generation steps. Perfect for questions requiring deep analysis, multiple sources of evidence, or iterative refinement.
Multi-Step RAG Strategies
Visual overview of different multi-step approaches
🔍 Complex Query
🔧 Query Analysis
🎯 Strategy Decision
🔄 Iterative
Initial Retrieval
Generate v1
Quality Check
✅ Final Answer
🔗 Multi-Hop
Initial Retrieval
Analyze Evidence
Follow-up Questions
✅ Synthesize Answer
🧩 Decomposition
Break into Sub-Questions
Process in Parallel
Collect Sub-Answers
✅ Synthesize Final Answer
Multi-Step RAG Comparison
Choose the right multi-step approach for your use case
| Approach | Complexity | Latency | Best Use Case | Key Strength |
|---|---|---|---|---|
| Iterative RAG | Intermediate | 3-6 seconds | Answer refinement, quality improvement | Progressive answer quality |
| Multi-Hop RAG | Advanced | 5-10 seconds | Complex reasoning, evidence chains | Chain-of-thought reasoning |
| Decomposition RAG | Advanced | 8-15 seconds | Complex multi-part questions | Parallel processing |
When to Use Multi-Step RAG
Complex Questions
- • Multi-part queries
- • Requires multiple sources
- • Needs deep analysis
- • Chain of reasoning
Quality Critical
- • High accuracy requirements
- • Comprehensive answers needed
- • Evidence-based responses
- • Research applications
Complex Domains
- • Scientific research
- • Legal analysis
- • Technical documentation
- • Academic papers