Observed arrival · 2026-09-18

Reset Observatory Maps the Cost of an AI Quota Reset

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Editorial interest 82/100 Selection signal · not a rating of the site

An interactive calculator compares how Codex and Claude subscription resets affect unused quota, refill timing, and total usage before expiry.

Landing page captured for the 2026-09-18 issue.

For: Codex and Claude subscribers managing weekly quota
Worth noticing: The model treats one week's quota as 100% and distinguishes restarting the clock from keeping the original refill date.

Field notes

The calculator represents quota as a tank: unused balance is drained, fresh quota is added, and the result is compared with the next scheduled refill. Users can model unused percentage, hours to refill, subscription end date, and daily demand, then replay or share a result. The page separates Codex's restart-clock scenario from Claude's explicitly labeled keep-date assumption.

Observed signals

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Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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