LLM cost calculator
LLM API cost calculator
Estimate your agent's bill
This is the real cost model — a multi-turn agent re-sends a growing context each turn, so input compounds. Cached-prefix reads bill at 0.1×, the one-time write at 1.25×. Enter your workload:
Prices are the Claude rates tracked on this site; see the Anthropic page for sources and the break-even guide for subscription-vs-API.
Learn to cost-model and route agents like an architect.
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