Codex Verified (vendor staff post)
Codex Day 17 is a usage reset, the eighth of the program
Data as of · Last verified against vendor · Page updated
On 22 Oct 2026, OpenAI: Codex Day 17 (22 Oct 2026, SGT): announced as reset day, the 8th usage reset of the 28-day program. A follow-up says it lands by 10am PT on 23 Oct (1 AM SGT on 24 Oct)..
PlanYield, 'Codex Day 17 is a usage reset, the eighth of the program', updated 22 Oct 2026, https://planyield.dev/changes/2026-10-22-codex-day17-reset/
What the source says
Codex Day 17 (22 Oct 2026, SGT): announced as reset day, the 8th usage reset of the 28-day program. A follow-up says it lands by 10am PT on 23 Oct (1 AM SGT on 24 Oct). Status recorded in the seed: Verified (vendor staff post).
Source: x.com. ; x.com (22 Oct 14:55 SGT)
Plans this touches
ChatGPT Free · ChatGPT Go · ChatGPT Plus · ChatGPT Pro · ChatGPT Business
Current limits: Codex usage limits
Other OpenAI changes
21 Oct 2026 Codex keeps prompt cache indefinitely; API adds 12h caching · 21 Oct 2026 OpenAI fixes Codex accounts metered against the wrong plan · 15 Oct 2026 GPT-5.5 leaves Codex ChatGPT sign-in · 6 Oct 2026 Approve for me auto-review no longer counts against Codex usage
Get the Monday diff when the next change lands. All changes