Will Codex reset today?

Last Tibo completion confirmationTibo completion confirmation
1d 00h 35m 01sago

2026/10/15 06:28 UTC

54 resetsLast 30 days: 6 resetsMedian gap: 3.9d

Next reset time: awaiting updates

Update pending
Within 24h≈19%
Within 48h≈35%
Historical peak00:00–03:00UTC+0 · 4/16 historical records
Next reset · historical percentiles
P25
10-17 07:47
P50
10-18 08:45
P75
10-21 18:58
16 comparable gaps · Local time · Historical reference

Historical estimate · As of 2026/10/16 03:05 UTC · Update pending

How is this estimated?

Our independent Gamma–Poisson estimate uses the latest 16 completed intervals, with prior α=1 and β=72 hours. The current wait stops at the last data timestamp. Saved grants and ordinary posts are excluded. Coverage is incomplete, confidence is low and accuracy is not guaranteed. Stale percentages remain frozen. 54 verified resets, 16 usable intervals. Horizons start at the estimate time, not now. This is not the probability of your own account resetting.

The peak uses the latest 16 non-observation reset records, comparing three-hour windows at each UTC hour and converting the result to your timezone. Ties use the earliest UTC start. Historical percentiles use the latest 16 completed gaps, retaining only gaps longer than the current wait, then linearly interpolating P25/P50/P75 of the remaining time. P50 is the median comparable historical wait, not an announced next reset. When data is stale, percentile dates stay anchored to the displayed data timestamp.

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Tibo’s 28-day challenge

Day 11 / 28Each day: 🚀 an improvement or ✅ a reset

Based on collected Day posts only.

Can you make it to the next reset?

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Calculation details

The weekly cycle is estimated as 7 days. The white marker shows an even usage pace. Depletion uses your last two readings from the same cycle where possible; otherwise it uses usage so far divided by elapsed time. The bar tracks time from the reading to estimated depletion. This is not a live account balance and excludes allowance added after a reset.

CODEX RESET HISTORY

Codex reset timeline

Full history ↗

54 public resets · 10 saved reset grants · Since 2025-09

Public resetSaved reset grantBoth types2026-07-20 — 2026-10-16

Public reset

Tibo confirmed completion: Done and dusted.

Original X post ↗Tibo completion confirmation
Public reset

Day 8 reset; archive account observation precedes Tibo’s completion reply.

Public reset

Day 6 reset: Tibo reported propagation complete.

Saved reset

40M active-user milestone: saved reset grant for paid accounts.

Public reset

Community-voted reset in the 28-day challenge.

Public reset

Reset following the GPT-6.1 Sol rollout difficulties.

Base history: codex-reset.com · Cross-check: AI IDE List · CC BY 4.0

One announcement can include a public reset and a saved reset grant; these are counted separately. This timeline does not replace your personal reset schedule.

Source comparison and corrections

Latest event: Tibo’s completion post was published at 2026-10-15 06:28:13 UTC; the third-party account observation was 06:13:01 UTC; the earlier announcement was 04:56:07 UTC. These are distinct timestamps and do not establish when every account received the reset.

Base records are compared individually. Verified original evidence takes priority; otherwise the primary archive is retained. The latest event uses the saved Tibo completion post, with the third-party observation kept separately.15 records differ in timestamp precision or meaning.

2109812360596865224Selected: 2026-10-13 05:03 UTC+0Comparison: 2026-10-13 05:06 UTC+0
2107913674593644711Selected: 2026-10-07 19:19 UTC+0Comparison: 2026-10-08 03:44 UTC+0
2105008012525769969Selected: 2026-09-29 18:53 UTC+0Comparison: 2026-09-29 19:00 UTC+0
2097043464538264003Selected: 2026-09-08 01:34 UTC+0Comparison: 2026-09-08 01:56 UTC+0
2094252447271366730Selected: 2026-08-31 02:34 UTC+0Comparison: 2026-08-31 02:29 UTC+0
2092311059197808936Selected: 2026-08-25 14:15 UTC+0Comparison: 2026-08-25 14:30 UTC+0
Algorithm and historical evidence

INDEPENDENT RESET MODEL

How is the Codex reset probability calculated?

nightwatch-gamma-v1
Within 24h≈19%Model interval: 13–26%
Within 48h≈35%Model interval: 24–46%

Calculated as of 2026-10-16 03:05 UTC+0 · Horizons start at this timestamp

16Recent completed intervals
3.1dRecent median interval
4.7dRecent mean interval
14.4dRecent longest interval

We calculate these probabilities independently using the latest 16 completed reset intervals. Saved reset grants and ordinary posts are excluded. Waiting time ends at the last data timestamp. Stale estimates are frozen; unobserved time is not treated as proof that no reset occurred.

Formula, assumptions and backtest

The peak uses the latest 16 non-observation reset records, comparing three-hour windows at each UTC hour and converting the result to your timezone. Ties use the earliest UTC start. Historical percentiles use the latest 16 completed gaps, retaining only gaps longer than the current wait, then linearly interpolating P25/P50/P75 of the remaining time. P50 is the median comparable historical wait, not an announced next reset. When data is stale, percentile dates stay anchored to the displayed data timestamp.

We use a Gamma–Poisson model with prior α=1 and β=72 hours. n is the number of completed intervals, T their total hours, and w the current wait covered by the saved data.

P(h) = 1 − ((72 + T + w) / (72 + T + w + h))^(1 + n)

Current n=16,α=17,β=1895.55h. The 24- and 48-hour probabilities are calculated separately from the formula, without compounding rounded percentages.

Model intervals use the 5th–95th percentiles of the posterior arrival rate. They capture only uncertainty within the model, excluding missing records, policy changes and account rollout delays.

Walk-forward checkpoints294
Our model Brier score0.189
Historical mean-rate baseline0.200

Starting with 8 completed intervals, each forecast uses only earlier history. While still waiting, checkpoints at 0, 24, 48 and 72 hours predict the next 24/48 hours. Lower Brier is better. Checkpoints within a gap are correlated, not independent samples or an accuracy percentage.

Parameters are fixed in advance; this backtest reports limitations rather than selecting the best-looking window. Announcements are not continuous account monitoring. Coverage and scope remain uncertain, so confidence stays low. Clear announcements take priority, and your account reset remains governed by /status.

Base history: codex-reset.com · Cross-check: AI IDE List · CC BY 4.0

Full methodology ↗
Sources, history & methodologyExpand +

Tibo’s reset updates

202 original source posts · Times are UTC; JavaScript adapts them to your time zone

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Tibo@thsottiaux

The reports of my reset button being lost are greatly exaggerated Day 10/ Reset

Original · UnverifiedView original ↗
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Tibo@thsottiaux

What would you like with your side of reset? It's done. https://t.co/gpNaB6otgy

Completion verifiedView original ↗
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Tibo@thsottiaux

Put the reset in the bag. All propagated. https://t.co/HGxaD3Zdcj

Completion verifiedView original ↗
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Tibo@thsottiaux

The day we reach perfection it will be resets from there onwards https://t.co/I6A9WHOjXT

Original · UnverifiedView original ↗
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Tibo@thsottiaux

Global reset by EOD. May the tokens do good things for you.

ReviewedView original ↗

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