Tibo announces Day 21 Codex reset: "But today is a reset"
Tibo announces a Day 21 usage-limit reset in his 28-day Codex challenge, with seven days remaining.
What happened
Thibault Sottiaux (@thsottiaux), OpenAI's Codex product lead, announced a usage-limit reset for Day 21 of his 28-day Codex challenge on Sunday, October 25, 2026. His post reads: "Day 21/ Wonder what happens the remaining seven days. But today is a reset." This is a new, separate announcement from the Day 20 reset already covered (announced October 24, propagated October 25 at 06:06 UTC). Seven days remain in the 28-day challenge after Day 21.
Source: codex-resets.com Day 21 tracker
Why it matters
It continues the daily improvement-or-reset cadence of the challenge, giving Codex and ChatGPT Work users fresh usage. The reset still needs to propagate to accounts, as past resets have taken time to reach everyone.
Verified October 25, 2026.
Sources
- ReportDay 21 Codex reset tracker
- ReportThibault Sottiaux on X
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