Session limits draining significantly faster
Resolved 💬 6 comments Opened May 24, 2026 by KuldeepB19 Closed Jun 4, 2026
💡 Likely answer: A maintainer (github-actions[bot], contributor)
responded on this thread — see the highlighted reply below.
What version of the Codex App are you using (From “About Codex” dialog)?
Codex 26.519.41501
What subscription do you have?
Plus Subscription
What platform is your computer?
Microsoft Windows NT 10.0.26200.0 x64
What issue are you seeing?
Since around May 20, session limits are draining dramatically faster than before on GPT-5.5 Low for basic tasks (reading files, following instructions, nothing heavy).
- A single session now lasts ~60-70 minutes of actual work at best (on 5.5 low)
- Exhausted a full session with just 3 prompts on a separate Plus account
- Previously I could1h 20min continuous tasks without hitting even 40-50% usage — that's now impossible
- One task on GPT-5.5 Low ate 5% of the 5h window in 2m 37s (screenshot attached)
This is a clear regression. The burn rate has roughly doubled or worse compared to a week before.
Still happening after the May 22 incident was marked "resolved."
Screenshot:
<img width="1420" height="602" alt="Image" src="https://github.com/user-attachments/assets/08a8a019-78ea-4324-82eb-2a98ecd77ccd" />
What steps can reproduce the bug?
- Open Codex on any model (tested on GPT-5.5 Low)
- Run a basic task (e.g., read some files and follow instructions)
- Check session usage after the task completes
- Usage consumed is significantly higher than expected for the task
What is the expected behavior?
_No response_
Additional information
_No response_
6 Comments
Potential duplicates detected. Please review them and close your issue if it is a duplicate.
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Exactly the same here : feedback ID : 019e5a8d-7d8e-7d73-bd64-c5f31a41c208
Codex IDE Extension regression after recent Codex rate-limit incident / weekly reset.
I am on ChatGPT Pro, using Codex IDE Extension in Cursor.
This is not only about Speed/Fast mode being more expensive. I was already using Speed before, with the same kind of workflow. The regression is that, compared with my previous normal Speed usage:
Observed symptoms:
/autoshows “No commands”./status,/feedback,/local,/cloud, and/auto-contextare expected.Environment:
/autoand “No commands”Please investigate:
<img width="656" height="186" alt="Image" src="https://github.com/user-attachments/assets/89409f58-c87f-4a5b-9175-0728fe3d5352" />
<img width="215" height="254" alt="Image" src="https://github.com/user-attachments/assets/5e7c97c3-5eea-43bf-8199-21a0b15fd6da" />
Adding more context after some testing:
Even in a fresh thread, 5% drain in 2.5–3 minutes of basic work (file reading, research, simple instructions) is already more than it should be. But doing similar work in a long running thread hit 13% in roughly the same time on the same model and effort setting. That's a big gap for essentially the same task.
The fresh vs long thread difference is what makes me think caching is the likely culprit here. If caching was working correctly, longer threads should get cheaper over time as the context builds up and gets cached, not more expensive. The fact that it's the opposite points to something being off there.
@MedEqz is seeing the same thing independently, which is good to know, not just a one account thing. And beyond GitHub, there are a lot of people on X reporting the same issue of limits draining way faster than expected, and it's still happening even after the May 23 incident was marked as resolved. So this doesn't seem like an isolated case at all.
Screenshot: 13% of the session limit used in a 2-minute 43-second task of simple Google searches and some local file reading
<img width="1488" height="504" alt="Image" src="https://github.com/user-attachments/assets/e4e36a08-76d7-4b40-8b7c-79466b1812be" />
Same issue here, I even tried 5.4 Low and it still took like 18% of 5h usage limit after running for 2 min. I'n on plus plan.
cry about it, openai gotta make the bands
@nika34-glitch
Switched to Claude Code, much better limits there right now. Saw it coming, so I didn’t waste much time switching.
According to my personal calculation, Claude is giving 50% more inference than Codex on the 5x right now, they'll be roughly the same after the 50% promo ends in Claude code though.