This reset rode along with a ground-up rewrite of the usage tracking and billing system; usage discrepancies during the cutover were wiped clean with a global reset.
Quick factsTHE SNAPSHOT
| Item | Data |
|---|---|
| Announced | 2025-12-19 22:01 UTC (Beijing 2025-12-20 06:01, Saturday) |
| Type | Product-Launch Reset (reset_type: regular) |
| Sequence | #6 of 70 tracked resets |
| Gap before | 3 days |
| Gap after | 5 days (next reset: 2025-12-25) |
| Running average at that time | 18.8 days (mean of the prior 4 gaps) |
| Where this gap sits in history | longer than 0% of historical gaps (ranked #5 longest among the gaps recorded up to then) |
| Source | public announcement by @thsottiaux ↗, archived by codex-resets.com |
TimelineWHAT HAPPENED
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2025-12-19 22:01 UTCThe Codex team posted a reset-related announcement; scope follows the source.
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Original announcement
“We rewrote the underlying system to track and bill usage in Codex and we have reset usage limits in the process. Backfilling is time consuming and it’s more fun to give free usage. Enjoy! https://t.co/bFwu9mb4RI”— @thsottiaux on X ↗
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EffectThe event applied to the scope named by the announcement; verify it in your Usage Dashboard.
The era: Winter compensation eraCONTEXT
Announcements in this period cited a November outage recovery, usage discrepancies after a billing-system rewrite, and a Christmas thank-you. The recorded causes differ and do not establish a fixed schedule.
In the full sequence, this is event #5 of 6 in the "Winter compensation era"; 5 days later, the next reset landed on schedule on 2025-12-25. Announced on a Friday, 3 days after its predecessor — those numbers together are this event's coordinates on the timeline.
What it means for youTAKEAWAY
Product-node resets usually land on launch day. Think of it as a full tank at gearshift: no action needed.At 3 days, the gap was close to the historical norm — a routine move inside the rhythm.
FAQCOMMON QUESTIONS
What was the Codex global reset on December 19, 2025 (Friday)?
On December 19, 2025 (Friday), the Codex team posted a product-launch reset announcement — event #6 of 70 in the archive, 3 days after the previous one, part of the "Winter compensation era". the source does not state account scope; eligibility and required action follow the linked source and Usage Dashboard.
Do I need to do anything for this event?
Read the linked announcement and your Usage Dashboard. Automatic resets and redeemable banked resets are different; this event's source determines the required action.
When was the next global reset after this one?
The archive has the historical answer: the next record landed on 2025-12-25, 5 days later. That is hindsight, not a forecast that was available at the time.