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API Cost Check turns published LLM API prices into tools for estimating real bills. Data comes from the open-source LiteLLM model price list (MIT License, © BerriAI), which links each entry to the provider's official pricing page.

We refresh the data daily and log every change on the price changes page. Prices can change without notice and special tiers (priority, regional, long-context) are not always shown, so verify with official pricing before budgeting.