Shortened Claude prompt aims to cut AI agent token use
Open SourceImportance: Low

Shortened Claude prompt aims to cut AI agent token use

KinetiNode/claude-fable-5-system-prompt-cleanJul 19, 2026 · 16h ago

The leaked and Mythos 5 has been reorganized into a version designed to use fewer tokens. Its complex contents were converted into clean Markdown. It is intended to run across , ChatGPT 5.6, and other agents.

Key points

  • It rebuilds the leaked and Mythos 5 .
  • Reducing the number of tokens used by the prompt is the main goal.
  • The contents were reorganized as clean Markdown.
  • It targets , ChatGPT 5.6, and agents.
  • No measured savings or comparisons are provided.
Read original ↗