Codex 28 · Theme · #97

Cached input persists across breaks

3people describe this

3 on X

3 problems · first reported 21 Oct 2026

X replies to the promise post are counted apart from Rantr votes. “This happened to me too” adds your browser to this theme on Rantr, once.

Where OpenAI stands

Not addressed yet

No recorded announcement has answered this yet.

In their words

What people said

Problem
seems that after long pauses the cache still expires?

@baggiiiie on X ↗ · 23 Oct 2026
Problem
Hey @thsottiaux, I'm logged into Codex but still see 0% cached input after breaks in chats created after your announcement - same model, no visible instruction changes. Is “cache forever” live? OpenAI's support bot says caching isn't permanent.

@MMadrzak on X ↗ · 22 Oct 2026
Problem
@thsottiaux “Guaranteed to hit the cache” isn’t what my logs show. Codex Desktop 0.163.0-alpha.10.2, logged in, today: • 37 min idle → 89% cached • 56 min idle → 0 of 258k cached • <1 min gap → 0 of 315k cached The last can’t be TTL. Fully rolled out yet? Logs available

@Shermanaetor on X ↗ · 21 Oct 2026

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X thread: 2769 replies to the promise post collected (4 Oct 2026 – 26 Oct 2026): 2555 placed in a theme and 214 set aside as off-topic or unsafe. X replies are found by search and each one is checked against its public post on X. Last read: 26 Oct 2026, 23:46 UTC. Not every reply is read.

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