When to Use Fable 5.2 vs Opus 5.5 in Claude Code (Full Tutorial)

How I use the two best models in the world on 5 real projects: a chief of staff, an advisor, automating a workflow, building a mobile app, and caring for my mom

When to Use Fable 5.2 vs Opus 5.5 in Claude Code (Full Tutorial)

TL;DR

  • Fable 5.2 is presented as superior to Opus 5.5 for most tasks, including coding and long-running agents.
  • Opus 5.5 is still an excellent model and recommended as a daily driver.
  • Fable 5.2 is more expensive per token than Opus 5.5.
  • Recommended usage: Opus for daily tasks, Fable for the hardest work.
  • Tips for using Fable include asking it to identify flaws in an idea, using it on medium effort, clarifying approval needs, and providing full projects.
  • Personal use cases: Opus for inbox/calendar management, workflow automation, and personal apps; Fable for business strategy, assisting a loved one, and auditing AI skills.