# Codex Usage Limits, Pricing, Reset Windows, and Capacity Errors in 2026

DevFeed: [Codex Usage Limits, Pricing, Reset Windows, and Capacity Errors in 2026](<https://devfeed.tech/articles/codex-usage-limits-and-pricing-in-2026-plans-resets-pro-20x-and-model-at-capacity-errors-61121.md>)

Original publisher: [Read original article](<https://www.developersdigest.tech/blog/codex-usage-limits-pricing-2026>)

Author: Developers Digest

Published: 2026-09-28T00:00:00Z

Content type: article

Language: en

Sources: [Developers Digest](<https://devfeed.tech/sources/developers-digest.md>)

Topics: [codex](<https://devfeed.tech/topics/codex.md>), [API Business Models](<https://devfeed.tech/topics/api-business-models.md>)

Tags: [2026](<https://devfeed.tech/tags/2026.md>), [ai-coding](<https://devfeed.tech/tags/ai-coding.md>), [chatgpt](<https://devfeed.tech/tags/chatgpt.md>), [codex](<https://devfeed.tech/tags/codex.md>), [developer-workflow](<https://devfeed.tech/tags/developer-workflow.md>), [enterprise](<https://devfeed.tech/tags/enterprise.md>), [free](<https://devfeed.tech/tags/free.md>), [news](<https://devfeed.tech/tags/news.md>), [openai](<https://devfeed.tech/tags/openai.md>), [plus](<https://devfeed.tech/tags/plus.md>), [pricing](<https://devfeed.tech/tags/pricing.md>)

## AI overview

Codex is included in ChatGPT plans from Free to Enterprise. The summary describes Plus and Pro pricing, five-hour usage windows, weekly caps, reset timing, and responses to model capacity errors.

## Source excerpt

Codex is included in ChatGPT plans from Free to Enterprise. Plus is $20/month, Pro is $100 (5x Plus usage) or $200 (20x, new sign-ups paused since September 10, 2026). Limits are measured per five-hour window with weekly caps on top. Here is how resets work, what each plan buys, and what to do about 'Selected model is at capacity'.