Guides

Understand your limits, and make them last

Short, sourced answers to the questions every Claude or ChatGPT subscriber ends up asking.

Tools

• Claude Pro, Max 5x or Max 20x: which plan do you need?The calculator: the usage you need, and the plan that covers it.
• What is your Claude subscription worth at API prices?Your usage at API prices, compared with your plan.
• How long until my Claude limit resets?A countdown to your limits, and a calendar reminder.

Guides

• Which Claude model should you use?Fable, Opus, Sonnet or Haiku: what each one is for, what it costs, and how to choose without burning through your limits. Based on Anthropic’s and OpenAI’s official documentation.
• Claude vs ChatGPT: limits comparedPlans, prices, windows and caps, side by side.
• Claude and Claude Code glossaryTokens, context, compaction, cache, effort: the words explained.
• Claude Code context full: /compact or /clear?Context window, automatic compaction, /compact or /clear.
• CLAUDE.md: where to put it, and how long should it be?Locations, loading, 200 lines, imports and skills.
• Claude limits historyEvery change to plans and limits, dated and sourced.
• How do Claude Pro and Max usage limits work?The 5-hour session, the weekly limit, and what counts toward them.
• When do Claude usage limits reset?The session, the week, and where to see the countdown.
• How do you check your Claude usage and what is left?Settings, /usage, or a gauge that is always in view.
• Hit your Claude usage limit? Here is what to doWait, pay beyond it, upgrade, or see it coming.
• How do you make your Claude Code limits last?The official levers, from the most effective to the finest.
• Claude usage credits: how do they work and what do they cost?Formerly extra usage: turning it on, cost, cap.
• How do Codex usage limits work with ChatGPT?The 5-hour window, /status, and credits.