Codex and Work keep prompt cache indefinitely · Oct 20, 2026
At a glance
Tibo says API users can now cache for 12 hours, while logged-in Codex and Work users keep cache indefinitely with no penalty for resuming old conversations and are now guaranteed to hit the cache.
- Products
- Codex
- Event type
- Codex Update
- Evidence status
- Directly verified
- Published
What Changed
Codex and Work keep prompt cache indefinitely · Oct 20, 2026
Verification
- Source type
- Original source
- Status
- Directly verified
Summary AI summary
Tibo says API users can now cache for 12 hours, while logged-in Codex and Work users keep cache indefinitely with no penalty for resuming old conversations and are now guaranteed to hit the cache.
What does this mean?
The page is classified from the linked public source; review the original source and verification status.
Type
Codex Update
Event dates
- Published
- Record updated
Original Source Evidence
Day 16/
You can now cache for 12h in the API and for logged in users across Codex & Work we keep cache forever and you don’t have any penalty for coming back to an old conversation or resuming after a few hours and are now guaranteed to hit the cache. https://t.co/0HYeB01KVh
Source
Tibo (@thsottiaux)
View Original
Open source →Historical context
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Topic: Latest updates