Someone put ads in the Claude Code spinner

Plus: understanding AI code, and how /fast works

How to Use Claude Code and Still Understand Your Own Code

How Claude Code Fast Mode Works

Why it's 2.5× faster, why it costs 2–6× more, and when to turn it on.

Fable 5 is offline. The government pulled it.

Here's what we know.

Two weeks with Claude Fable 5

and what is Loop Engineering?

Images cost 3x more tokens in Claude Opus 4.7

Here's what image tokenization is, what changed in 4.7, and when it's actually worth paying for

I Measured Claude 4.7's New Tokenizer. Here's What It Costs You.

The docs said 1.0–1.35x more tokens. On real content, I measured 1.47x.

Claude Code Sandboxing: How /sandbox Works

A deep dive on Claude Code's /sandbox feature

Claude Code Pricing Deep Dive (2026)

Plans, Costs & Max vs API

I Tried to Reverse Engineer Claude Code's Usage Limits

Anthropic sends your utilization data on every API response. Claude Code doesn't show it to you. So I built a proxy to catch it.