Paste your Claude Code /context output. See what your session weighs before you type a prompt.
From The Token Economy, Article 2:
The Hidden Token Tax (launching 2026-05-12).
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Receipt
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What it costs
Cold-cache cost (Opus 4.7)
—
per turn
Context used (Sonnet 4.6, 1,000K window)
—
of context window
Warm-cache cost: — per turn
Why two numbers?
Cold cache is what a fresh prompt costs at full input rate. Warm cache is what the same prompt costs once Anthropic’s prompt cache has it — typically a fraction of cold. Most idle-session weight is paid at cold rates the first time it loads each turn.
What’s loading your context
No per-item breakdown detected. Paste includes the /context sub-blocks (Skills, Memory files, Custom agents, MCP tools) for richer detail.