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Context Window Cost Calculator

Show what long history, retrieved documents, and large context windows add to per-request and monthly model spend.

Context profile
5) for Haiku (
/$5) can cut a token bill ~5×.
$3.00 input /
5.00 output per 1M tokens
1,500
1,200
700
6,000
18,000
700
Context tax
$3,240
Fits window
extra monthly cost versus a short prompt
Long-chat cost
$3,969
26K input / request
Short prompt cost
$729
2K input / request
Model context
1M
configured prompt fits
ScenarioInputMonthly
Short prompt2K$729
RAG context8K
,539
Long chat26K$3,969
Near window44K$6,399

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Catalog: 137 providers · 4,993 models · updated Jun 1, 2026

Prices via models.dev and custom scrapers · model quality benchmarks via Artificial Analysis

Disclaimer: All information provided is for reference purposes only. Actual costs may vary based on usage patterns and provider terms. Always monitor your own token consumption and billing dashboard to track real expenses.

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Built on public pricing data and browser-side calculators. Figures are directional.