Codex Luna reserve has its own separate weekly limit
Melvin Vivas · X post · 2026-08-30 · Open on X
Topics: AI Dev Tools & Productivity · Level: beginner
Summary
The creator says the Codex 'gpt-reserve-limit' (Luna reserve) has its own weekly usage limit, separate from the main one. Users now have two weekly limits to watch. He asks whether Codex Pro users see the same thing.
Key points
- The Luna reserve in Codex (shown as 'gpt-reserve-limit') has its own weekly limit.
- Codex users now have two separate weekly limits to keep track of: the main one and the reserve.
- It is not clear yet whether Codex Pro users have the same reserve limit.
Resources mentioned
- OpenAI Codex · tool · openai.com · paid
OpenAI's coding agent. In the diagram it writes code, fixes review findings and drives the build loop. The creator also used it to make this video.
Also in: An agent bot that installs and drives Codex on its own (Melvin Vivas on X · notes), Asking a Coder bot to install Codex (Melvin Vivas on X · notes), Sign in with ChatGPT: Setting Usage Limits for Each App (Melvin Vivas on X · notes), Codex Cloud Environments Must Be Saved & Published Before Use (Melvin Vivas on X · notes) and 240 more
Try this
- Check both the main and reserve weekly limits in Codex's usage view.
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