Claude 5 Explained: Fable 5.1 vs Opus 5 vs Sonnet 5 Features, Pricing & Best Model in 2026
Claude 5 Lineup Explained: Fable 5.1, Opus 5 & Sonnet 5 (2026 Guide) Skip to content Zubair Xovato Language 🇬🇧 English 🇩🇪 Deutsch 🇪🇸 Español 🇫🇷 Français 🇯🇵 日本語 🇵🇰 اردو ◐ Dark ◆ 2026 Model Guide Anthropic's New Claude 5 Lineup: Fable 5.1, Opus 5, and Sonnet 5 Explained Between June and September 2026, Anthropic shipped an entire new generation of models. Here is what actually changed, where they still fail, and which one deserves your API credits. By Zubair Hussain • September 3, 2026 • 14 min read • Artificial Intelligence The Claude 5 generation in motion — recorded September 3, 2026. Long-horizon agents now run for hours, not turns. On this page The 60-second TL;DR Behind the curta...