23. Which Model Should I Use?

Overview

Choosing the right Claude model depends on your specific task. Each model is designed with different priorities, such as speed, reasoning, creativity, or technical accuracy.

This guide will help you select the best model for your workflow.

Recommended Models by Task

Task	Recommended Model
Blog Writing	Claude Sonnet / Fable 5
Research	Claude Fable 5
Software Development	Claude Opus
Technical Documentation	Claude Opus
Business Reports	Claude Fable 5
Marketing Copy	Claude Sonnet
Email Writing	Claude Sonnet
Brainstorming	Claude Sonnet
Quick Questions	Claude Haiku
Meeting Summaries	Claude Haiku
Product Strategy	Claude Fable 5
Code Debugging	Claude Opus

General Recommendations

Choose Claude Fable 5 if you need:

Maximum reasoning
Strategic planning
Long-form writing
Complex analysis

Choose Claude Opus if you need:

Programming
Technical work
Software development
Documentation

Choose Claude Sonnet if you need:

Daily productivity
Business writing
Marketing
Content creation

Choose Claude Haiku if you need:

Fast responses
Quick drafts
Short summaries
Everyday tasks

Tips

If you're unsure where to begin, start with Claude Sonnet. It provides an excellent balance between quality and speed for most everyday tasks.