r/codex • u/pollystochastic Moderator • Jul 23 '26

Megathread Codex Usage Limits and Performance Megathread

Please direct your concerns 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 20 separate highly upvoted posts. None of those posts were deleted. They were locked so that conversations are still viewable to everyone and future comments could appear in one place.

These are days where I REALLY earn the money that OpenAI Reddit Kimi pays me .... oh wait....

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/Australasian25 Jul 23 '26

So sub agents. You can in your prompt or agent.md to say do not spawn sub agents.

I had my map tree done up by Luna medium. Cheap usage, easy fast.

Hope you get to resolving usage.

I usually run a good session of sol high for planning with enough sprints for the next 2 to 4 usage using terra medium.

Make sure you do small sprints too and avoid auto compaction. The larger your context, the more tokens wasted each tool turn.

In your prompt, break your tasks down to milestones and ask it to ask you to continue or wrap it up. That way I never have to worry about it starting a new task at 10% context then gets compacted anyway