Codex keeps 3 hidden copies of every generated image, user finds
Yamapama · x · 2026-11-13
User Yamapama reports that Codex is a "data hoarder": after asking it to generate 1,200 images into a designated output folder, the same images were stored in three places — the codex images folder, threadhistory1.sqlite, and the session log — totaling 3 x 4GB.
The takeaway for anyone running bulk generation tasks with Codex: its thread history and session logs cache generated content in full, so disk usage can balloon well beyond your output directory.
Related event: Codex Caught Storing Triplicate Copies of Generated Images(2 posts)→
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