Productivity · Tabnews · 🇧🇷 Brazil
Estimating how long your AI plan will last before it runs out
A dev published an open calculation to estimate how many tokens fit into the Pro/Max plans.
- Profession
- Developer
- Tools
- Claude Code, Codex
- Source
- tabnews.com.br ↗
- Country
- 🇧🇷 Brazil
- Report date
- October 20, 2026
- Verified on
- October 24, 2026

What they did
Built a calculator with sources and assumptions about the 5-hour window and weekly limit.
How it went
The author discloses that they built the calculator and a related app. The numbers are estimates, not official data.
Good to know
Providers don't publish the size of their plans, so treat any estimate with caution.
The prompt
I use [tool] with [n] agents, [duration] sessions and the [model] model. Help me estimate my weekly usage and suggest 3 routine changes so I don't hit the limit.
Replace what is in [brackets]. Prompt written by us from the account, not a literal copy of the source. Do not paste other people’s personal data (privacy laws such as LGPD and GDPR apply).
Summary in our own words. Results as stated in the original account; we have not tested or audited them. Read the source ↗ Found a mistake?
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