Pliny the Liberator πσ «σ Όσ Ώσ σ ΅σ σ σ Όσ Ήσ Ύσ σ @elder_plinius Β· 01 Sep 2026
π° SYSTEM PROMPT LEAK π° Here's the Fable 5.1 system prompt!! π Coming in at a WHOPPING 270,000+ characters, this prompt is definitely on the longer side. There have been a handful of notable edits/additions since Opus 5's version. FULL PROMPT: https://t.co/Pw9DVb8Wtq
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