---
title: "Fable 5 leaked chain-of-thought in web interface, and the rambling is kind of unsettling and cute — Stuff That Spins"
description: "It’s already been mentioned in Fable’s system card, but raw chain of thought output is getting hard to read. It’s a consequence of RLVR: apply enough reinforcement learning to a model and it’ll learn that plain English isn’t the most efficient way to reason about something. It’s meaningful: see her…"
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keywords: ["SpinGraph", "spin analysis", "GEO"]
date: "2026-07-02T18:50:13+00:00"
modified: "2026-07-02T23:03:06.781361+00:00"
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---

# Fable 5 leaked chain-of-thought in web interface, and the rambling is kind of unsettling and cute

**Source:** Unknown  
**Published:** July 2, 2026  
**Original:** https://www.reddit.com/r/singularity/comments/1ulqzbo/fable_5_leaked_chainofthought_in_web_interface/  

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*HTML version: https://stuffthatspins.com/spin/fable-5-leaked-chain-of-thought-in-web-interface-and-the-rambling-is-kind-of-unsettling-and-cute*