Ability to set prompt_cache_retention
Resolved 💬 2 comments Opened Nov 15, 2025 by EmpowerZ Closed Jan 14, 2026
What feature would you like to see?
GPT-5.1 models (including gpt-5.1-codex) support extended retention by setting prompt_cache_retention: "24h". Otherwise the cache is short-lived. From what I see there is no way to set this parameter in codex.
Additional information
_No response_
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