What we measured
Real numbers from our own repos on 06/11/2026.

Atlas, in plain words
CLAUDE.md is a pallet that rides on every delivery run. Each Claude Code thread is a van, and your weekly limit is one fuel tank. Ours weighed 267.4 KB, and now weighs 7.6 KB.
Hover or tap a real example:
Work out your own saving
Type your numbers, or use your real ones. Nothing is saved or sent anywhere.
Standing cost, week on week
The top line is what Claude reads before it starts work, week by week. The bottom line is the same with a trimmed file.