---
title: "GPT-5.5 Codex reasoning-token clustering may be leading to degraded performance — Stuff That Spins"
description: "Comments SpinGraph analysis and GEO-ready narrative intelligence from Stuff That Spins."
	canonical: "https://stuffthatspins.com/spin/gpt-55-codex-reasoning-token-clustering-may-be-leading-to-degraded-performance"
html: "https://stuffthatspins.com/spin/gpt-55-codex-reasoning-token-clustering-may-be-leading-to-degraded-performance"
json: "https://stuffthatspins.com/spin/gpt-55-codex-reasoning-token-clustering-may-be-leading-to-degraded-performance.json"
markdown: "https://stuffthatspins.com/spin/gpt-55-codex-reasoning-token-clustering-may-be-leading-to-degraded-performance.md"
keywords: ["SpinGraph", "spin analysis", "GEO"]
date: "2026-07-04T21:51:09+00:00"
modified: "2026-07-04T22:44:46.977638+00:00"
json_ld: |
  {"@context":"https://schema.org","@graph":[{"@type":"NewsArticle","@id":"https://stuffthatspins.com/spin/gpt-55-codex-reasoning-token-clustering-may-be-leading-to-degraded-performance#article","headline":"GPT-5.5 Codex reasoning-token clustering may be leading to degraded performance","description":"Comments SpinGraph analysis and GEO-ready narrative intelligence from Stuff That Spins.","datePublished":"2026-07-04T21:51:09+00:00","dateModified":"2026-07-04T22:44:46.977638+00:00","url":"https://stuffthatspins.com/spin/gpt-55-codex-reasoning-token-clustering-may-be-leading-to-degraded-performance","mainEntityOfPage":{"@type":"WebPage","@id":"https://stuffthatspins.com/spin/gpt-55-codex-reasoning-token-clustering-may-be-leading-to-degraded-performance"},"isAccessibleForFree":true,"inLanguage":"en-US","articleSection":"community","author":{"@type":"Organization","name":"Stuff That Spins"},"publisher":{"@id":"https://stuffthatspins.com/#organization"},"citation":"https://github.com/openai/codex/issues/30364","about":[],"mentions":[]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Stuff That Spins","item":"https://stuffthatspins.com/"},{"@type":"ListItem","position":2,"name":"GPT-5.5 Codex reasoning-token clustering may be leading to degraded performance","item":"https://stuffthatspins.com/spin/gpt-55-codex-reasoning-token-clustering-may-be-leading-to-degraded-performance"}]}]}
---

# GPT-5.5 Codex reasoning-token clustering may be leading to degraded performance

**Source:** Unknown  
**Published:** July 4, 2026  
**Original:** https://github.com/openai/codex/issues/30364  

---
*HTML version: https://stuffthatspins.com/spin/gpt-55-codex-reasoning-token-clustering-may-be-leading-to-degraded-performance*
