Codex Vendor post on X
Codex Day 21 is a usage reset, the eleventh of the program
Changed (SGT) · OpenAI · Entry updated · Not re-checked against the vendor for this entry
On 26 Oct 2026, OpenAI: Codex Day 21 (26 Oct 2026, SGT): 'today is a reset', a usage reset, the 11th of the 28-day program (10 global resets plus the 8 Oct banked reset). Seven days of the program are left. No landing time was posted as of 6 PM SGT on 26 Oct.
PlanYield, 'Codex Day 21 is a usage reset, the eleventh of the program', updated 27 Oct 2026, https://planyield.dev/changes/2026-10-26-codex-day21-reset/
Status and sources
PlanYield status: Vendor post on X. What the statuses mean.
Source: @thsottiaux on X ↗ (26 Oct 13:21 SGT)
Plans this touches
ChatGPT Free · ChatGPT Go · ChatGPT Plus · ChatGPT Pro · ChatGPT Business
Inferred: the source does not name every plan, so PlanYield chose these.
Current limits: Codex usage limits
Other OpenAI changes
27 Oct 2026 GPT-6.1 Terra launches in Codex with about 2x Sol's usage · 25 Oct 2026 Codex Day 20 is a usage reset, the tenth of the program · 23 Oct 2026 Codex Day 18 is a usage reset, the ninth of the program · 22 Oct 2026 Codex Day 17 is a usage reset, the eighth of the program
Get the Monday diff when the next change lands. All changes