Claude token budget cheat sheet

Context windows, prices, cache math, and payload sizes — one page, ready to print.

Reference card with four panels. Panel 1 lists context windows: Opus 4.7 200K, Sonnet 4.6 200K with 1M opt-in, Haiku 4.5 200K. Panel 2 lists per-million prices: Opus $15/$75, Sonnet $3/$15, Haiku $1/$5, plus cache read at 10% and cache write at 125%. Panel 3 gives payload rules of thumb (page ≈ 650 tokens, PR diff ≈ 2,500 tokens, mid-size repo 80K–150K). Panel 4 covers cost tactics: cache stable prefixes, batch eligible work, pick the cheapest passing model.
Figure: token-budget cheat sheet. SVG is open for reuse under CC BY 4.0 — credit claude-cost-calc.vercel.app.

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Image license: CC BY 4.0. Confirm rates against Anthropic's pricing page before invoicing.