Claude Fable 5 prompt word leaked and the effect was measured in 6 hours. Is it crazy?
Fable 5 has just been launched, and the system prompts have been leaked:After looking at these prompts, there are a few key points to note:First, Fable has added a persistent storage API (window.storage) for Artifacts. Artifacts are the unique content generated by Claude's code, such as HTML pages and React components. Previously, Artifact data could not be saved and was more like a one-time demo. Now, the data can be saved across sessions, enabling the creation of "memory-based" tools such as leaderboards, time trackers, and diaries.
