Which Claude Model Is Best? Opus 5.5 vs Fable 5.1 vs Sonnet 5 vs Haiku 4.5
Opus 5.5 for difficult work, Sonnet 5 for routine tasks, Haiku 4.5 for volume and Fable 5.1 for the toughest cases. A 20-second selector, plans, a real test of all four models and 21 copy-ready prompts.









