I noticed Fable was quite a bit terser, and I think it's due to changes in the system prompt [0]. They're literally saying "just give me the TLDR" and "give bri

I noticed Fable was quite a bit terser, and I think it's due to changes in the system prompt [0]. They're literally saying "just give me the TLDR" and "give brief updates". You can tweak a lot of that with an AGENTS.md. [0] https://twelvetables.blog/comparing-claude-fable-5s-system-prompt-to-opus-4-8/ https://twelvetables.blog/comparing-claude-fable-5s-system-p...