Calculate with confidence · compare fairly · estimate accurately
All published guides share one verifiable data source (models.json) and one calculation basis —
from "know how to calculate" to "know how to compare" to "know how to estimate": formulas and a worked example
in the cost guide, whole-market price differences at fixed assumptions in the pricing comparison, and
business-scenario parameters in the cost-scenarios guide.
API cost calculation
Model pricing & comparison
Scenario cost cases
AI automation workflows
Companion tools and conventions
· Cost calculator: enter your real usage and compare any selection of models side by side;
· Model library: a pricing profile per model with official sources; Model comparison: two models line by line;
· Data conventions (original currencies, tiers, reference rates, verification dates) are documented in the pricing methodology;
· All guides are also available in Chinese.