Claude Sonnet 5.5 vs Opus 5.5 vs Fable 5.1: Which model you should use

T2Covered by 1 source · first reported by Digit.in at 29 Sept, 06:23 UTC

Now Anthropic offers three “frontier-grade” versions of Claude, and this nomenclature is not kind to you. The Sonnet 5.5 became available on September 28. The Opus 5.5 is above it. The Fable 5.1 is above it, falling into the Mythos line. You have the impulse to go for the biggest brand. But your…