Model Selection Guide

Select the appropriate Claude model based on task requirements.

For looking up AWS Bedrock model IDs and inference profiles for chosen models, apply the bedrock-model-lookup skill.

Quick Decision Matrix

Is deep reasoning across multiple domains required?
├── YES → Opus 4.5
└── NO → Is specialized domain analysis needed?
    ├── YES → Sonnet
    └── NO → Is it pure execution/formatting?
        ├── YES → Haiku
        └── NO → Default to Sonnet

Model Overview