28 Days of OpenAI

One clear improvement for Codex or Work users each day, or a full usage reset. Tibo's pledge, tracked with sources.

Day 10 of 28

18 days remaining after today · 9 consecutive days delivered

Oct 5 to Nov 1, 2026

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One day at a time

Open a day for the details and receipts.

Day 01Faster by defaultFeatureOct 5

1.1
Faster by default
GPT-6 Astra and GPT-6.1 Sol became about 50% faster through subscriptions, including partners that support Sign in with ChatGPT. No setting change required.
Read source

Day 02Auto-review goes freeGlobal resetOct 6

2.1
Auto-review goes free
Auto-review is free for everyone signed in with ChatGPT. A second agent checks risky actions and actions outside your request without drawing from plan usage.
Read source
2.2
Simpler API tiers
Five paid API tiers became Build, Launch, and Grow. The top tier now requires $500 in total API payments, down from $1,000.
Read source
2.3
Meetings plugin beta
The Meetings plugin beta for ChatGPT on macOS takes notes and saves a personalized summary and next steps in ChatGPT Space.
Read source
2.4
Decisions API beta
The Decisions API entered public beta for developers choosing models, tools, or actions in near real time.
Read source
2.5
A reset too
After the day's four updates, Tibo confirmed a global usage reset. Features and resets are not mutually exclusive, apparently.
Read source

Day 03One in the bankBanked resetOct 7

3.1
One in the bank
A banked reset for all paid accounts, celebrating 40 million active users across Codex and ChatGPT Work. Apply it when you need it.
Read source
3.2
GPT-6 in Chat
GPT-6 and Intelligent UI arrived in ChatGPT. Tibo named GPT-6 in Chat as the day's main update.
Read source

Day 04Sol goes UltrafastFeatureOct 8

4.1
Sol goes Ultrafast
Ultrafast rolled out for GPT-6.1 Sol in the API, Codex, and ChatGPT Work. Subscription access is limited to Pro 500 and eligible Enterprise and Edu plans.
Read source
4.2
Near-instant steering
Conversation steering reacts faster to adjustments, so you can correct course while the model works.
Read source

Day 05Dots get updatesFeatureOct 9

5.1
Dots get updates
Create a dot from the ChatGPT mobile app on iOS or Android, and delegate work to Codex.
Read source
5.2
Composer predictions beta
Codex can suggest a follow-up from the current thread. The desktop beta is for personal ChatGPT Pro users aged 18 or over.
Read source

Day 06A fresh quotaGlobal resetOct 10

6.1
A fresh quota
A global reset for Day 6. Propagation was confirmed at 04:01 UTC on October 11, still October 10 in Pacific time.
Read source

Day 07500k default contextFeatureOct 11

7.1
500k default context
GPT-6.1 Sol's default context in Codex and Work increased from 272k to 500k tokens. You can still override it, up to the model's 1M maximum.
Read source
7.2
No long-context surcharge
Tibo clarified that GPT-6.1 Sol does not charge long-context fees when drawing usage from a subscription.
Read source

Day 08Day Eight ResetGlobal resetOct 12

8.1
Day Eight Reset
Tibo confirmed the global reset was complete at 05:06 UTC on October 13, which was October 12 in Pacific time.
Read source

Day 09Less Disk StateFeatureOct 13

9.1
Less Disk State
ChatGPT and Codex desktop apps now store an estimated 60% less state on disk, addressing feedback from users running low on space.
Read source

Day 10Waiting on todayTodayOct 14

No verified drop yet. The day is still open.

Day 11Not announced yetPendingOct 15