Users Say Codex /side Chat Wipes Prompt Cache and Burns Tokens

Developers report that Codex's /side chat appears to cause near-total prompt cache misses, with anomalous token usage. Heavy users say it explains burning through 20x usage quotas in a day.

2026-09-11 ~ 2026-09-11 · 3 related posts

• Codex /side chat may cause near-full prompt cache misses, user flags design — YouJiacheng · 2026-09-11
• Heavy Codex user: side chat is 90% of my chats, no wonder 20x plan dies in a day — JiaweiYang118 · 2026-09-11
• Codex /side chat suspected of causing full cache misses and burning plan quotas — YouJiacheng · 2026-09-11