Every guide in one place

How to reduce Claude Code costs

Concrete ways to cut Claude Code token usage: prompt trimming, log stripping, document compression, and tool selection. Real numbers, no fluff.

Claude Code usage: what counts and how to get more from your plan

What burns Claude Code usage fastest, why limits hit sooner than expected, and how to stretch Pro, Max x5, or Max x20 without upgrading.

Claude Code usage limits and the 5-hour window

How the Claude Code 5-hour rolling window and weekly limits work, what each plan tier covers, and how to keep coding without upgrading.

Why is Claude Code so expensive?

Four reasons Claude Code burns through tokens fast: verbose tool output, repeated context, multi-step debugging, and large codebase reads. Plus how to fix each.

Reduce Claude API costs

Practical levers for cutting Claude API spend: prompt caching, model tier selection, output length, and batch API. Plus the Claude Code-specific shortcut.

How to reduce Codex costs

Concrete ways to cut OpenAI Codex token usage: prompt trimming, log stripping, document compression, and tool selection. Real numbers, no fluff.

Codex usage: what counts and how to get more from your plan

What burns OpenAI Codex usage fastest, why the 5-hour and weekly limits hit sooner than expected, and how to stretch Plus, Pro, or Business without upgrading.

Codex usage limits and the 5-hour window

How the OpenAI Codex 5-hour rolling window and weekly limits work, what each ChatGPT plan tier covers, and how to keep coding without upgrading.

Why is Codex so expensive?

Four reasons OpenAI Codex burns through usage fast: verbose tool output, repeated context, multi-step debugging, and large codebase reads. Plus how to fix each.

How to install Headroom for Claude Code and Codex

Two ways to run Headroom with Claude Code and Codex: the open-source CLI you install yourself, or the one-click macOS app that runs in the background. Install steps, friction, and which to pick.

Ponytail: the Claude Code & Codex skill that writes less code

Ponytail is a skill for Claude Code and Codex that makes the agent write the least code possible, cutting output tokens. What it does and how to turn it on.

Headroom vs Ponytail vs RTK: what's the difference?

Headroom, Ponytail, and RTK aren't competitors — they cut token cost on different sides of the bill and run together in one app. What each does and when to use it.

What's new in Headroom: Codex support and one-click add-ons

Headroom now supports OpenAI Codex as a first-class connector and adds a one-click Add-ons screen for RTK, MarkItDown, and Ponytail. Here's what changed.

Usage limits · July 6, 2026

Hit the Claude Code weekly limit by Wednesday? Here's what's eating it

Why heavy Claude Code users burn the weekly limit in two or three days — sub-agents, tool output, and re-read files — and what to do this week, not next billing cycle.

Claude Code · July 2, 2026

Sub-agents are why your Claude Code weekly limit vanished

Sub-agents spin up fresh contexts that don't inherit the prompt cache, so multi-agent runs re-buy context the main session was getting cheaply. How the tax works and how to shrink it.

Codex · June 15, 2026

Codex now meters by tokens — why your ChatGPT plan drains faster

Since April 2026, ChatGPT Plus, Pro, and Business meter Codex by tokens instead of messages. What changed, who it hurts, and how to adapt without upgrading.