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Which Claude should I use?

Fable 5 is the most powerful model — but you don't always need it.
Describe your task and find out which one is right.

Not sure what to type? Try one of these:

Write me a cover letter for a marketing job What's the capital of Portugal? Build me a multi-tab interactive study guide from these lecture notes Help me reply to a difficult email from my boss Analyze six months of sales data and find patterns Recommend a movie for tonight Write a detailed research report on climate policy in the EU Draft a quick thank you note
Thinking...

Quick reference

Fable 5

  • Long, complex builds
  • Deep research reports
  • Multi-step analysis
  • Coding projects
  • Scientific reasoning
  • Tasks taking 30+ min

Opus 4.8

  • Emails and messages
  • Quick questions
  • Short creative writing
  • Advice and brainstorms
  • Summaries
  • Everyday tasks