Frequent Codex Reasoning-Level Switching Kills Context Cache

Developers warn that frequently switching reasoning levels in Codex invalidates the context cache, forcing the entire context window to be regenerated and burning extra tokens.

2026-08-17 ~ 2026-08-17 · 2 related posts

• Codex Tip: Switching reasoning levels invalidates context cache — mark_k · 2026-08-17

1 near-duplicate retellings: eyishazyer