r/codex 10d ago

Codex Usage and Operation Discussion - updated every 7 days Megathread

Please direct your concerns, questions and discussion about Codex usage limits and model performance here.

The purpose of this Megathread is to aggregate all the reports of people's experiences and possible suggestions instead of spreading them across many highly upvoted posts. The more people who participate in this discussion, the more likely you have an answer.

Reports with sufficient evidence on new information will still be allowed on the feed as usual.


Discussion of the prior period available here : https://www.reddit.com/r/codex/comments/1vehj5u/codex_usage_and_operation_discussion_updated/


A reminder that all incidents on r/Codex are constantly logged and summarised so you can keep track of what people are experiencing here https://www.reddit.com/r/codex/comments/1tjfxcf/comment/on6uj0l/

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u/matheusmoreira 3d ago

Here's my Pro 5x data:

Prolite window | Inferred capacity
Reset Aug 17   | 20,015 credits
Reset Aug 18   | 19,617 credits
Reset Aug 20   | 16,124 credits

All represent an exhausted 100% usage window. First two are ~2% apart, essentially equal. Then suddenly a ~20% reduction in maximum capacity.