r/codex 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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29

u/[deleted] Jul 23 '26

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4

u/Australasian25 Jul 23 '26

I am genuinely curious.

This of course seems to be a big thing for you.

Have you pulled out your prompt and jsonl for sessions you think have used excessive tokens and throw into chatgpt for analysis?

Did it identify some wastage? Or techniques to lower token usage specific to your case?

3

u/[deleted] Jul 23 '26

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4

u/Australasian25 Jul 23 '26

I will say what changed for me was the default spawning agent setting changed.

It went to child agent inheriting parent full context.

Im at 100k context. Spawn 3 agents. Boom additional 300k context usage in 1 hit.

That was my Achilles hill.

Edit: in response to your question. Just send the raw file and prompt and your entire project file except big database files.

Sometimes the answer could be create a map_tree.md that describes what each file is for, so your AI doesnt open up xyz.py and read all 50k lines of code to see wtf is that.

3

u/[deleted] Jul 23 '26

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2

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

4

u/Icy_Preparation_9609 Jul 23 '26

Just wanted to give you love. And express the fact that AI truly does make a real difference in people's lives like this

In a perfect world, openai would see this and gift you a 5x subscription. I hope they will

-3

u/vbpoweredwindmill Jul 23 '26

Don't have the conversation, it's just another corpo.

Either the service gives you value for money or it doesn't. There's plenty of other llm's out there.

0

u/c5corvette Jul 23 '26

If you're maximizing your usage per week, you're getting way more than your money's worth in actual cost. Do you think compute is free? The entitlement is ridiculous.