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Codex

[Series] Day 20 is a Saturday "Rest and Reset." What arrived was 2 hours 26 minutes later, not 53 minutes before the end of his calendar

OpenAI's 28-day journey, Day 20 (Saturday, October 24, PDT). Tibo's "Day 20/" appeared at 20:39 PDT with just three words: "Rest and reset." He added a deadline of "By midnight PST" 33 seconds later, and at 23:06, he posted "It is all propagated" with an image saying "ONE HOUR LATER...". This is the first time he has explicitly confirmed arrival via a separate post since "Done" on Day 13. Recent stats: 12 releases, 10 resets, 0 missed days, 0 unconfirmed.

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OpenAIThibault Sottiaux

[Series] Day 17 is "Reset Day" 4 minutes and 38 seconds before closing. It says "By 10 AM tomorrow," but everyone disagrees on when that "tomorrow" is

OpenAI's 28-day count, Day 18 (October 22 UTC). Tibo's "Day 17/" arrived at 23:55:22 on October 21 PDT, just 4 minutes and 38 seconds before his own calendar closed. The content says "Today is reset day" and "By 10 AM tomorrow (PST)." Third-party counts are split on whether it arrived at 17:10 UTC on October 22 or not yet, and Tibo has not confirmed receipt. The Day 18 announcement has not yet appeared, and October 22 PDT has not closed. Cumulative stats: 11 days released, 8 days reset, 0 days u

OpenAI

[Series] Day 15: From "We're cooked" to "Still cooking... and reset" 10 hours and 48 minutes later. Declaring "cooked" by pulling a ramen cooking stream, then delivering the news 26 minutes before his

OpenAI Day 15 (October 19 UTC). OpenAI Developers streamed "COOKED: Ep. 1," where they reviewed DevDay while cooking ramen, prompting Tibo to declare "Day 15/ We're cooked." The actual update arrived 10 hours and 48 minutes later at 11:33 PM PDT: "Still cooking... and reset." Day 14 passed without a declaration, marking the first unfulfilled day. Total count: 9 days of releases, 7 days of resets, and 1 day unfulfilled.

OpenAI

[Series] Day 16 arrives without "Day 16/", but with a "My bad, sorry" to about 40,000 accounts. Correcting plan mismatches with credits, not a reset or a release

OpenAI's 28-day countdown, Day 16 (October 20 UTC). In the morning of PDT, Tibo admitted that usage limits for about 40,000 accounts did not match the plans they had selected, announcing corrections and additional credits while apologizing. It is neither a universal reset nor a new feature. OpenAI announced the acquisition of Orchestra Bio, but this is not an improvement for users. "Day 16/" has not appeared as October 20 PDT has not yet closed. The tally so far: 9 days of releases, 7 days of re

OpenAIThibault Sottiaux

[Series] Day 16 is "Cache Forever," and a correction. Day 14 was addressed. Day 17 is just the evening riddle "Dot, Dotter, Dottest" and "All-inclusive for Pro," still no name.

OpenAI's 28-day countdown, Day 17 (October 21 UTC). First, a correction: Day 14 was not left unnamed as previously stated, as Tibo posted "Day 14/" on October 18 at 18:18 PDT. It covered editing past messages in the desktop app. Day 16 arrived around the same time in the evening, announcing that Codex and Work caches will be kept forever. Day 17 brought only the riddle "Dot, Dotter, Dottest," and October 21 PDT has not yet closed. Current totals: 11 releases, 7 resets, 0 broken promises, and 1 u

OpenAIChatGPT

[Series] Day 10 is a "Reset" before 10 PM local time — Voices of "concern" over 26.5 hours of silence, while the man himself says "I need to work once in a while"

OpenAI's 28-day countdown, Day 10 (October 14 UTC), was a reset. Tibo's "Day 10/ Reset" arrived at 21:55 Pacific Time, about 5 hours after the date changed in UTC. Just before this, people were worried about the 24-hour silence, to which he replied, "I need to work once in a while." It's coming "within 2 hours." After calling this morning a "blank," Sorami re-counts the day boundaries.

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Thibault Sottiaux

[Series] Day 19: Three "Small Updates"; Day 18 was a "Reset," and what's coming is again "by 10 AM tomorrow"

OpenAI's 28-day countdown, Day 19 (October 23, Pacific Time). Tibo's "Day 19/" was released at 4:12 PM PDT. According to him, it contains three "small updates": faster call connections for dots, no more cache invalidation when changing inference settings mid-conversation in Codex and Work, and a Codex CLI update (0.164.0, changelog dated October 23). Day 18, which was previously deferred, was addressed by Tibo at 9:46 PM as "Day 18/", ending with "a reset." The deadline remains "by 10 AM (PST) t

OpenAIThibault Sottiaux

[Series] Day 17 is "Reset Day" 4 minutes and 38 seconds before closing. It says "By 10 AM tomorrow," but everyone disagrees on when that "tomorrow" is

OpenAI's 28-day count, Day 18 (October 22 UTC). Tibo's "Day 17/" arrived at 23:55:22 on October 21 PDT, just 4 minutes and 38 seconds before his own calendar closed. The content says "Today is reset day" and "By 10 AM tomorrow (PST)." Third-party counts are split on whether it arrived at 17:10 UTC on October 22 or not yet, and Tibo has not confirmed receipt. The Day 18 announcement has not yet appeared, and October 22 PDT has not closed. Cumulative stats: 11 days released, 8 days reset, 0 days u

OpenAIThibault Sottiaux

[Series] Day 16 is "Cache Forever," and a correction. Day 14 was addressed. Day 17 is just the evening riddle "Dot, Dotter, Dottest" and "All-inclusive for Pro," still no name. (updated October 23, 2026)

OpenAI's 28-day countdown, Day 17 (October 21 UTC). First, a correction: Day 14 was not left unnamed as previously stated, as Tibo posted "Day 14/" on October 18 at 18:18 PDT. It covered editing past messages in the desktop app. Day 16 arrived around the same time in the evening, announcing that Codex and Work caches will be kept forever. Day 17 brought only the riddle "Dot, Dotter, Dottest," and October 21 PDT has not yet closed. Current totals: 11 releases, 7 resets, 0 broken promises, and 1 u

OpenAI

[Series] Day 16 arrives without "Day 16/", but with a "My bad, sorry" to about 40,000 accounts. Correcting plan mismatches with credits, not a reset or a release

OpenAI's 28-day countdown, Day 16 (October 20 UTC). In the morning of PDT, Tibo admitted that usage limits for about 40,000 accounts did not match the plans they had selected, announcing corrections and additional credits while apologizing. It is neither a universal reset nor a new feature. OpenAI announced the acquisition of Orchestra Bio, but this is not an improvement for users. "Day 16/" has not appeared as October 20 PDT has not yet closed. The tally so far: 9 days of releases, 7 days of re

OpenAI

[Series] Day 15: From "We're cooked" to "Still cooking... and reset" 10 hours and 48 minutes later. Declaring "cooked" by pulling a ramen cooking stream, then delivering the news 26 minutes before his

OpenAI Day 15 (October 19 UTC). OpenAI Developers streamed "COOKED: Ep. 1," where they reviewed DevDay while cooking ramen, prompting Tibo to declare "Day 15/ We're cooked." The actual update arrived 10 hours and 48 minutes later at 11:33 PM PDT: "Still cooking... and reset." Day 14 passed without a declaration, marking the first unfulfilled day. Total count: 9 days of releases, 7 days of resets, and 1 day unfulfilled.

OpenAICodex

[Series] Day 14: "What’s cooking today" — Asking without identifying, the UTC day closed without announcement. Asked for a reset on the street: "Maybe I'll hand out cards"

OpenAI's 28-day countdown, Day 14 (October 18 UTC), has yet to be named. Tibo asked "What’s cooking today" on Sunday morning and wrote "People are asking for resets on the street. I'll make little cards to hand out" in the afternoon, but no "Day 14/" post appeared before the UTC day ended. In his own calendar (PDT), nearly 6 hours remain.

Pricing & LimitsAnanya SinghPeter Yang

[Series] Day 13: "Le limit reset" — Deadline in 16 seconds, "Done" in 4 hours and 51 minutes, and "Pot committed" when asked if it resets daily

OpenAI's 28-day rollout, Day 13 (October 17 UTC), is a reset. Tibo wrote "Day 13/ Le limit reset" and set a deadline by replying 16 seconds later, saying it would arrive "sometime today by EOD PST." Four hours and 51 minutes later, he simply posted "Done." He didn't say what was finished, and responded "Pot committed" when asked why Codex gives resets every day. The current tally is 9 days released and 6 days of resets.

Product LaunchesOpenAIThibault Sottiaux

[Series] Day 12 is a release to increase "effective usage" — Three methods, no numbers, posted 4 minutes and 49 seconds before the UTC deadline

OpenAI's 28-day countdown, Day 12 (October 16 UTC), is out. Tibo's "Day 12/" talks about increasing the "effective usage" of Codex and Work through context reuse between sub-agents, extending cache retention, and improved request routing for better cache hits. No specific numbers are provided for the increase. The post arrived 4 minutes and 49 seconds before the end of Day 12 UTC, with replies calling for numbers and others waiting for a reset.

OpenAI

[Series] Day 11 is the release to reduce "Full" messages—reducing errors "very significantly," no numbers, way to verify is "let us know if you see it"

OpenAI's 28-day journey, Day 11 (October 15 UTC), is here. Tibo's "Day 11/" states that a series of changes and additional compute have "very significantly" decreased the occurrence of the disruptive "Selected model is at capacity" error, and that if it does occur, it should eventually continue automatically. No specific figures were provided for the reduction, and the way to verify is to "let us know if you still see it."

OpenAIChatGPT

[Series] Day 10 is a "Reset" before 10 PM local time — Voices of "concern" over 26.5 hours of silence, while the man himself says "I need to work once in a while"

OpenAI's 28-day countdown, Day 10 (October 14 UTC), was a reset. Tibo's "Day 10/ Reset" arrived at 21:55 Pacific Time, about 5 hours after the date changed in UTC. Just before this, people were worried about the 24-hour silence, to which he replied, "I need to work once in a while." It's coming "within 2 hours." After calling this morning a "blank," Sorami re-counts the day boundaries.

Product LaunchesChatGPTCodex

[Series] Day 9 is a "Small Ship" according to the man himself — Reducing desktop app storage by 60%, following a "something huge is coming" teaser last night

OpenAI's 28-day countdown, Day 9 (October 13 UTC), was a release that reduces the amount stored on disk by the ChatGPT and Codex desktop apps by approximately 60%. Thibault called it a "Small ship." Just 21 hours prior, he wrote that "something pretty insane is coming" and later mentioned "plans that will let everyone use it much more." The Day 8 reset was completed 4 hours and 3 minutes after the announcement, and Sorami predicts the next moves.