Codex ChatGPT Plus
$20/mo
What you get
- Coding agent
- Codex: web, CLI, IDE extension, iOS; cloud code review and Slack integration
- Included usage
- Estimated local messages per 5 hours, by model (see table)
- Limit windows
- 5-hour, weekly (may apply)
- If you run out
- ChatGPT credits (purchasable)
Quota details
- OpenAI publishes estimates of local messages per five-hour period; they are not fixed limits.
- Cloud tasks may use more of the allowance than local messages.
- Weekly limits may also apply (amount not published).
- Fast mode uses included usage at 2.5x; Ultrafast (Pro 500 only) at 8x.
- Extra usage can be bought with ChatGPT credits.
Published estimates (local messages per 5 hours, by model)
| Model | Est. messages / 5h |
|---|---|
| GPT-6 Astra | 5-45 |
| GPT-6.1 Sol | 15-160 |
| GPT-6 Sol | 15-150 |
| GPT-6 Luna | 350-3,000 |
Caveats
- Vendor notes: GPT-5.5 retired from Codex with ChatGPT sign-in on 2026-10-14.
Not published / unknown
We don't guess. These are the things we could not confirm from a source.
- Weekly allowance: not published
Community burn reports
No burn reports for this plan yet.
Be the first: tell us how fast you hit your limits.
Report your burn on Codex ChatGPT Plus
Be the first: tell us how fast you hit your limits.
Report your burn on Codex ChatGPT Plus
Changes affecting this plan
- 2026-10-14: GPT-5.5 retired from Codex with ChatGPT sign-in
Sources
Every figure on this page comes from these pages, read on the dates shown.