# Tibo's 28-day challenge, day 12 (10/16)

Day 12 (10/16) of Tibo's 28-day Codex challenge: Improvement day. Posts that day: Codex & Work improvements increase effective usage.

Language: en
Time zone: America/Los_Angeles
Current time (UTC, cached as of): 2026-10-19T21:54:00.000Z
Query date (America/Los_Angeles): 2026-10-19

HTML: https://didcodexreset.com/oct28/day12.html

Day 12 is Improvement day

Predictions for day 12

- Reset: 20278 (86%)
- Improvement: 3348 (14%)

#### Codex & Work improvements increase effective usage

Improvement · 10/16/2026, 16:55

We’ve made improvements to Codex & Work that increase the effective usage you get. We achieved this by reusing context across subagents, keeping context cached longer, and improved request routing that allows us to increase cache hits.

- 👌 great release: 13
- 🫨 needs a reset: 83

[Open on 𝕏](https://x.com/thsottiaux/status/2111244596131111253)

[See all 28 days](/oct28.html#12)