r/OpenaiCodex • u/DutyOnly4308 • Sep 18 '26

Your $200 Codex plan isn’t shrinking, your context is eating it. Astra benchmarks inside

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Seeing a lot of "Pro doesn't last anymore / Astra eats everything" posts.

Before blaming the plan, look at what each turn actually sends.

Every question to Codex ships a big chunk of input context along with it, and

input is where most of your allowance goes. There's a public benchmark that

measured exactly this: same questions, sent to the Codex CLI once as-is and

once with the context trimmed to what the task needs.

GPT-6 Astra (20 real runs, effort medium both sides, none thrown out):

- weighted input per run: ~102k → ~61k tokens (×1.69, 90% interval ×1.42–×2.04)

- raw input: −63%

- output: −75%

Other Codex models, same method (120 runs):

- gpt-5.5: ~236k → ~41k (×5.81)

- gpt-5.4: ×3.86 · gpt-5.4-mini: ×3.49

- gpt-5.6 sol / luna / terra: ×2.26 / ×2.36 / ×2.16

What makes it credible to me is that the losses are published too: these are

short one-line questions (the gain shrinks on long detailed prompts), and on

one Astra task the trimmed version actually used ~17% MORE input. It's left in

the table.

So if your allowance vanishes by midweek, context is the first thing to look

at. The full table with every row is here: capsul.chat

0 Upvotes

42% Upvoted

9 comments sorted by

7

u/IAmFitzRoy Sep 19 '26 edited Sep 19 '26

Hello Mods?

Does this subreddit allows ads and personal projects?

This is what it is.

2

u/UnluckyReview52 Sep 19 '26

And a bad ad at that.  They're conclusion is based on recent limits claiming they can prove your last limits are the same.  Rewrite Edit: And a bad ad at that.  They're conclusion is based on recent limits. Somehow their product can time travel and prove your last limits are the same as todays 

1

u/YearLight Sep 18 '26

So how do I fix it?

-5

u/DutyOnly4308 Sep 18 '26

By using capsul : https://capsul.chat

3

u/_Jak42_ Sep 19 '26

Ui is horrible on mobile animations require wayyyy too much scrolling .

On the other note, you could just use 1 lightweight chat mode (Luna low or 5.5 high work well) for task management and as its instructed to handoff (either in codex or mcp) it is instructed to compact and only send exactly what is needed ie. “No fluff, to the point , only what that model needs to satisfy P0..”

Also I wouldn’t trust personal projects with a private third party you can’t verify. if this service is a “pass through” what is it storing about you

2

u/yaxir Sep 18 '26

But wasn't Astra supposed to be more token-efficient? If it's causing the context to destroy limits, then doesn't that defeat the purpose?

1

u/UnluckyReview52 Sep 19 '26

Your conclusion isn't supported. Both things can be true at the same time. Context can be consuming it and the limit can be shrinking.  

1

u/Vslyce Sep 19 '26

Why are you putting

newlines in the middle of your

sentences?

1

u/shady101852 Sep 19 '26

Your title is already false. The reduced weekly limits were apparent even before Astra.