Credit: You must give appropriate credit based on the method, means, and context of your use.
Direct Contribution: You must provide monetary or in-kind support to the Declaring Party for their development and maintenance of the assets, based on a good faith valuation taking into account your use of the assets and your financial means.
Ecosystem Contribution: You must provide monetary or in-kind support back to the ecosystem from which you are benefiting, based on a good faith valuation taking into account your use of the assets and your financial means.
Open: The AI system used must be open. For example, AI systems must satisfy the Model Openness Framework (MOF) Class II, MOF Class I, or the Open Source AI Definition (OSAID).
Credit is included in each signal because CC believe it is a fundamental form of reciprocity, one that benefits the broader knowledge cycle. The other signals are mutually exclusive.